Home / 27,613.98-38,082.15-18,045.18

Finding the Fourth Proportional to 27,613.98, 38,082.15 and 18,045.18

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Solution

The fourth proportional to 27,613.98, 38,082.15 and 18,045.18 is: 24,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.98 : 38,082.15 = 18,045.18 : x
  2. Step 2: Convert to fraction form
    27,613.98/38,082.15 = 18,045.18/x
  3. Step 3: Cross multiply
    27,613.98x = 38,082.15 × 18,045.18
  4. Step 4: Simplify right side
    27,613.98x = 687,199,251.54
  5. Step 5: Solve for x
    x = 687,199,251.54/27,613.98
  6. Step 6: Final answer
    x = 24,885.92

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Half scale
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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.