Home / 26,648.13-39,965.23-7,923.12

Finding the Fourth Proportional to 26,648.13, 39,965.23 and 7,923.12

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Solution

The fourth proportional to 26,648.13, 39,965.23 and 7,923.12 is: 11,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.13 : 39,965.23 = 7,923.12 : x
  2. Step 2: Convert to fraction form
    26,648.13/39,965.23 = 7,923.12/x
  3. Step 3: Cross multiply
    26,648.13x = 39,965.23 × 7,923.12
  4. Step 4: Simplify right side
    26,648.13x = 316,649,397.96
  5. Step 5: Solve for x
    x = 316,649,397.96/26,648.13
  6. Step 6: Final answer
    x = 11,882.61

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.