Home / 17,788.62-26,687.57-10,399.38

Finding the Fourth Proportional to 17,788.62, 26,687.57 and 10,399.38

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Solution

The fourth proportional to 17,788.62, 26,687.57 and 10,399.38 is: 15,601.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.62 : 26,687.57 = 10,399.38 : x
  2. Step 2: Convert to fraction form
    17,788.62/26,687.57 = 10,399.38/x
  3. Step 3: Cross multiply
    17,788.62x = 26,687.57 × 10,399.38
  4. Step 4: Simplify right side
    17,788.62x = 277,534,129.71
  5. Step 5: Solve for x
    x = 277,534,129.71/17,788.62
  6. Step 6: Final answer
    x = 15,601.78

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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.