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Finding the Fourth Proportional to 24,609.87, 36,915.33 and 8,815.93

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Solution

The fourth proportional to 24,609.87, 36,915.33 and 8,815.93 is: 13,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,609.87 : 36,915.33 = 8,815.93 : x
  2. Step 2: Convert to fraction form
    24,609.87/36,915.33 = 8,815.93/x
  3. Step 3: Cross multiply
    24,609.87x = 36,915.33 × 8,815.93
  4. Step 4: Simplify right side
    24,609.87x = 325,442,856.39
  5. Step 5: Solve for x
    x = 325,442,856.39/24,609.87
  6. Step 6: Final answer
    x = 13,224.08

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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.