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Finding the Fourth Proportional to 17,707.20, 24,438.30 and 11,437.80

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Solution

The fourth proportional to 17,707.20, 24,438.30 and 11,437.80 is: 15,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,707.20 : 24,438.30 = 11,437.80 : x
  2. Step 2: Convert to fraction form
    17,707.20/24,438.30 = 11,437.80/x
  3. Step 3: Cross multiply
    17,707.20x = 24,438.30 × 11,437.80
  4. Step 4: Simplify right side
    17,707.20x = 279,520,387.74
  5. Step 5: Solve for x
    x = 279,520,387.74/17,707.20
  6. Step 6: Final answer
    x = 15,785.69

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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.