Home / 27,793.13-38,354.47-15,046.30

Finding the Fourth Proportional to 27,793.13, 38,354.47 and 15,046.30

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Solution

The fourth proportional to 27,793.13, 38,354.47 and 15,046.30 is: 20,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.13 : 38,354.47 = 15,046.30 : x
  2. Step 2: Convert to fraction form
    27,793.13/38,354.47 = 15,046.30/x
  3. Step 3: Cross multiply
    27,793.13x = 38,354.47 × 15,046.30
  4. Step 4: Simplify right side
    27,793.13x = 577,092,786.73
  5. Step 5: Solve for x
    x = 577,092,786.73/27,793.13
  6. Step 6: Final answer
    x = 20,763.87

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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.