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Finding the Fourth Proportional to 24,477.46, 36,717 and 7,839.28

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Solution

The fourth proportional to 24,477.46, 36,717 and 7,839.28 is: 11,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,477.46 : 36,717 = 7,839.28 : x
  2. Step 2: Convert to fraction form
    24,477.46/36,717 = 7,839.28/x
  3. Step 3: Cross multiply
    24,477.46x = 36,717 × 7,839.28
  4. Step 4: Simplify right side
    24,477.46x = 287,834,843.76
  5. Step 5: Solve for x
    x = 287,834,843.76/24,477.46
  6. Step 6: Final answer
    x = 11,759.18

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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.