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Finding the Fourth Proportional to 18,032, 24,936 and 17,206.88

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Solution

The fourth proportional to 18,032, 24,936 and 17,206.88 is: 23,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032 : 24,936 = 17,206.88 : x
  2. Step 2: Convert to fraction form
    18,032/24,936 = 17,206.88/x
  3. Step 3: Cross multiply
    18,032x = 24,936 × 17,206.88
  4. Step 4: Simplify right side
    18,032x = 429,070,759.68
  5. Step 5: Solve for x
    x = 429,070,759.68/18,032
  6. Step 6: Final answer
    x = 23,794.96

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Why These Related Problems?

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