Home / 27,701.38-38,223.46-15,764.92

Finding the Fourth Proportional to 27,701.38, 38,223.46 and 15,764.92

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Solution

The fourth proportional to 27,701.38, 38,223.46 and 15,764.92 is: 21,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.38 : 38,223.46 = 15,764.92 : x
  2. Step 2: Convert to fraction form
    27,701.38/38,223.46 = 15,764.92/x
  3. Step 3: Cross multiply
    27,701.38x = 38,223.46 × 15,764.92
  4. Step 4: Simplify right side
    27,701.38x = 602,589,789.02
  5. Step 5: Solve for x
    x = 602,589,789.02/27,701.38
  6. Step 6: Final answer
    x = 21,753.06

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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.