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Finding the Fourth Proportional to 17,616, 26,402.40 and 10,591.68

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Solution

The fourth proportional to 17,616, 26,402.40 and 10,591.68 is: 15,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616 : 26,402.40 = 10,591.68 : x
  2. Step 2: Convert to fraction form
    17,616/26,402.40 = 10,591.68/x
  3. Step 3: Cross multiply
    17,616x = 26,402.40 × 10,591.68
  4. Step 4: Simplify right side
    17,616x = 279,645,772.03
  5. Step 5: Solve for x
    x = 279,645,772.03/17,616
  6. Step 6: Final answer
    x = 15,874.53

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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.