Home / 26,588.20-39,772.38-21,854.76

Finding the Fourth Proportional to 26,588.20, 39,772.38 and 21,854.76

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Solution

The fourth proportional to 26,588.20, 39,772.38 and 21,854.76 is: 32,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,588.20 : 39,772.38 = 21,854.76 : x
  2. Step 2: Convert to fraction form
    26,588.20/39,772.38 = 21,854.76/x
  3. Step 3: Cross multiply
    26,588.20x = 39,772.38 × 21,854.76
  4. Step 4: Simplify right side
    26,588.20x = 869,215,819.53
  5. Step 5: Solve for x
    x = 869,215,819.53/26,588.20
  6. Step 6: Final answer
    x = 32,691.79

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1.5x scale

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.