In exercising the above-mentioned powers, the Board may, so long as such action is in conformity with the terms of this Zoning Ordinance, reverse or affirm, wholly or partly, or may modify the order, requirement, decision or determination appealed from and may make such order, requirement, decision or determination as ought to be made; and to that end shall have powers of the Zoning Administrator from whom the appeal is taken. The concurring vote of three (3) members of the Board shall be necessary to reverse any order, requirement, decision or determination of the Zoning Administrator or to decide in favor of the applicant on any matter upon which it is required to pass under this chapter or to affect any variation in the application of this Zoning Ordinance.