Home / 26,565.68-39,821.19-11,781.56

Finding the Fourth Proportional to 26,565.68, 39,821.19 and 11,781.56

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Solution

The fourth proportional to 26,565.68, 39,821.19 and 11,781.56 is: 17,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,565.68 : 39,821.19 = 11,781.56 : x
  2. Step 2: Convert to fraction form
    26,565.68/39,821.19 = 11,781.56/x
  3. Step 3: Cross multiply
    26,565.68x = 39,821.19 × 11,781.56
  4. Step 4: Simplify right side
    26,565.68x = 469,155,794.63
  5. Step 5: Solve for x
    x = 469,155,794.63/26,565.68
  6. Step 6: Final answer
    x = 17,660.22

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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.