Home / 27,863.92-38,452.20-15,117.11

Finding the Fourth Proportional to 27,863.92, 38,452.20 and 15,117.11

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Solution

The fourth proportional to 27,863.92, 38,452.20 and 15,117.11 is: 20,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.92 : 38,452.20 = 15,117.11 : x
  2. Step 2: Convert to fraction form
    27,863.92/38,452.20 = 15,117.11/x
  3. Step 3: Cross multiply
    27,863.92x = 38,452.20 × 15,117.11
  4. Step 4: Simplify right side
    27,863.92x = 581,286,032.39
  5. Step 5: Solve for x
    x = 581,286,032.39/27,863.92
  6. Step 6: Final answer
    x = 20,861.60

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Double scale
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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.