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Finding the Fourth Proportional to 24,728.10, 34,124.78 and 13,397.67

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Solution

The fourth proportional to 24,728.10, 34,124.78 and 13,397.67 is: 18,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,728.10 : 34,124.78 = 13,397.67 : x
  2. Step 2: Convert to fraction form
    24,728.10/34,124.78 = 13,397.67/x
  3. Step 3: Cross multiply
    24,728.10x = 34,124.78 × 13,397.67
  4. Step 4: Simplify right side
    24,728.10x = 457,192,499.39
  5. Step 5: Solve for x
    x = 457,192,499.39/24,728.10
  6. Step 6: Final answer
    x = 18,488.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.