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Finding the Fourth Proportional to 24,469.17, 36,702.73 and 7,830.15

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Solution

The fourth proportional to 24,469.17, 36,702.73 and 7,830.15 is: 11,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,469.17 : 36,702.73 = 7,830.15 : x
  2. Step 2: Convert to fraction form
    24,469.17/36,702.73 = 7,830.15/x
  3. Step 3: Cross multiply
    24,469.17x = 36,702.73 × 7,830.15
  4. Step 4: Simplify right side
    24,469.17x = 287,387,881.31
  5. Step 5: Solve for x
    x = 287,387,881.31/24,469.17
  6. Step 6: Final answer
    x = 11,744.90

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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.