Finding the Fourth Proportional to 86,240.76, 129,380.61 and 26,274.63
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Solution
The fourth proportional to 86,240.76, 129,380.61 and 26,274.63 is: 39,417.88
Step by Step Solution
- Step 1: Write the proportion equation
86,240.76 : 129,380.61 = 26,274.63 : x - Step 2: Convert to fraction form
86,240.76/129,380.61 = 26,274.63/x - Step 3: Cross multiply
86,240.76x = 129,380.61 × 26,274.63 - Step 4: Simplify right side
86,240.76x = 3,399,427,656.92 - Step 5: Solve for x
x = 3,399,427,656.92/86,240.76 - Step 6: Final answer
x = 39,417.88
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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.