Home / 26,508.62-39,769.44-13,187.90

Finding the Fourth Proportional to 26,508.62, 39,769.44 and 13,187.90

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Solution

The fourth proportional to 26,508.62, 39,769.44 and 13,187.90 is: 19,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.62 : 39,769.44 = 13,187.90 : x
  2. Step 2: Convert to fraction form
    26,508.62/39,769.44 = 13,187.90/x
  3. Step 3: Cross multiply
    26,508.62x = 39,769.44 × 13,187.90
  4. Step 4: Simplify right side
    26,508.62x = 524,475,397.78
  5. Step 5: Solve for x
    x = 524,475,397.78/26,508.62
  6. Step 6: Final answer
    x = 19,785.09

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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.