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Finding the Fourth Proportional to 17,158.52, 25,717.26 and 8,842.52

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Solution

The fourth proportional to 17,158.52, 25,717.26 and 8,842.52 is: 13,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,158.52 : 25,717.26 = 8,842.52 : x
  2. Step 2: Convert to fraction form
    17,158.52/25,717.26 = 8,842.52/x
  3. Step 3: Cross multiply
    17,158.52x = 25,717.26 × 8,842.52
  4. Step 4: Simplify right side
    17,158.52x = 227,405,385.90
  5. Step 5: Solve for x
    x = 227,405,385.90/17,158.52
  6. Step 6: Final answer
    x = 13,253.21

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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.