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Finding the Fourth Proportional to 17,287.39, 25,938.83 and 8,397.84

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Solution

The fourth proportional to 17,287.39, 25,938.83 and 8,397.84 is: 12,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.39 : 25,938.83 = 8,397.84 : x
  2. Step 2: Convert to fraction form
    17,287.39/25,938.83 = 8,397.84/x
  3. Step 3: Cross multiply
    17,287.39x = 25,938.83 × 8,397.84
  4. Step 4: Simplify right side
    17,287.39x = 217,830,102.14
  5. Step 5: Solve for x
    x = 217,830,102.14/17,287.39
  6. Step 6: Final answer
    x = 12,600.52

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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.