Finding the Fourth Proportional to 24,685.40, 34,052 and 15,129.92
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Solution
The fourth proportional to 24,685.40, 34,052 and 15,129.92 is: 20,870.80
Step by Step Solution
- Step 1: Write the proportion equation
24,685.40 : 34,052 = 15,129.92 : x - Step 2: Convert to fraction form
24,685.40/34,052 = 15,129.92/x - Step 3: Cross multiply
24,685.40x = 34,052 × 15,129.92 - Step 4: Simplify right side
24,685.40x = 515,204,035.84 - Step 5: Solve for x
x = 515,204,035.84/24,685.40 - Step 6: Final answer
x = 20,870.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.