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Finding the Fourth Proportional to 24,515.28, 36,761.88 and 6,981.12

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Solution

The fourth proportional to 24,515.28, 36,761.88 and 6,981.12 is: 10,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,515.28 : 36,761.88 = 6,981.12 : x
  2. Step 2: Convert to fraction form
    24,515.28/36,761.88 = 6,981.12/x
  3. Step 3: Cross multiply
    24,515.28x = 36,761.88 × 6,981.12
  4. Step 4: Simplify right side
    24,515.28x = 256,639,095.71
  5. Step 5: Solve for x
    x = 256,639,095.71/24,515.28
  6. Step 6: Final answer
    x = 10,468.54

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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.