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Finding the Fourth Proportional to 24,557.42, 36,839.78 and 8,761.21

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Solution

The fourth proportional to 24,557.42, 36,839.78 and 8,761.21 is: 13,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,557.42 : 36,839.78 = 8,761.21 : x
  2. Step 2: Convert to fraction form
    24,557.42/36,839.78 = 8,761.21/x
  3. Step 3: Cross multiply
    24,557.42x = 36,839.78 × 8,761.21
  4. Step 4: Simplify right side
    24,557.42x = 322,761,048.93
  5. Step 5: Solve for x
    x = 322,761,048.93/24,557.42
  6. Step 6: Final answer
    x = 13,143.12

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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.