Home / 27,658.16-38,167.92-15,082.88

Finding the Fourth Proportional to 27,658.16, 38,167.92 and 15,082.88

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Solution

The fourth proportional to 27,658.16, 38,167.92 and 15,082.88 is: 20,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658.16 : 38,167.92 = 15,082.88 : x
  2. Step 2: Convert to fraction form
    27,658.16/38,167.92 = 15,082.88/x
  3. Step 3: Cross multiply
    27,658.16x = 38,167.92 × 15,082.88
  4. Step 4: Simplify right side
    27,658.16x = 575,682,157.21
  5. Step 5: Solve for x
    x = 575,682,157.21/27,658.16
  6. Step 6: Final answer
    x = 20,814.19

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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.