Finding the Fourth Proportional to 86,528.07, 129,791.24 and 27,363.75
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Solution
The fourth proportional to 86,528.07, 129,791.24 and 27,363.75 is: 41,045.35
Step by Step Solution
- Step 1: Write the proportion equation
86,528.07 : 129,791.24 = 27,363.75 : x - Step 2: Convert to fraction form
86,528.07/129,791.24 = 27,363.75/x - Step 3: Cross multiply
86,528.07x = 129,791.24 × 27,363.75 - Step 4: Simplify right side
86,528.07x = 3,551,575,043.55 - Step 5: Solve for x
x = 3,551,575,043.55/86,528.07 - Step 6: Final answer
x = 41,045.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.