Home / 27,732.38-38,271.29-15,157.13

Finding the Fourth Proportional to 27,732.38, 38,271.29 and 15,157.13

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Solution

The fourth proportional to 27,732.38, 38,271.29 and 15,157.13 is: 20,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.38 : 38,271.29 = 15,157.13 : x
  2. Step 2: Convert to fraction form
    27,732.38/38,271.29 = 15,157.13/x
  3. Step 3: Cross multiply
    27,732.38x = 38,271.29 × 15,157.13
  4. Step 4: Simplify right side
    27,732.38x = 580,082,650.66
  5. Step 5: Solve for x
    x = 580,082,650.66/27,732.38
  6. Step 6: Final answer
    x = 20,917.16

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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.