Home / 27,331.38-37,719.60-15,397.06

Finding the Fourth Proportional to 27,331.38, 37,719.60 and 15,397.06

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Solution

The fourth proportional to 27,331.38, 37,719.60 and 15,397.06 is: 21,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.38 : 37,719.60 = 15,397.06 : x
  2. Step 2: Convert to fraction form
    27,331.38/37,719.60 = 15,397.06/x
  3. Step 3: Cross multiply
    27,331.38x = 37,719.60 × 15,397.06
  4. Step 4: Simplify right side
    27,331.38x = 580,770,944.38
  5. Step 5: Solve for x
    x = 580,770,944.38/27,331.38
  6. Step 6: Final answer
    x = 21,249.24

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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.