Home / 27,906.12-38,500.92-17,291.88

Finding the Fourth Proportional to 27,906.12, 38,500.92 and 17,291.88

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Solution

The fourth proportional to 27,906.12, 38,500.92 and 17,291.88 is: 23,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.12 : 38,500.92 = 17,291.88 : x
  2. Step 2: Convert to fraction form
    27,906.12/38,500.92 = 17,291.88/x
  3. Step 3: Cross multiply
    27,906.12x = 38,500.92 × 17,291.88
  4. Step 4: Simplify right side
    27,906.12x = 665,753,288.53
  5. Step 5: Solve for x
    x = 665,753,288.53/27,906.12
  6. Step 6: Final answer
    x = 23,856.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.