Home / 27,331.38-37,719.48-15,393.96

Finding the Fourth Proportional to 27,331.38, 37,719.48 and 15,393.96

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Solution

The fourth proportional to 27,331.38, 37,719.48 and 15,393.96 is: 21,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.38 : 37,719.48 = 15,393.96 : x
  2. Step 2: Convert to fraction form
    27,331.38/37,719.48 = 15,393.96/x
  3. Step 3: Cross multiply
    27,331.38x = 37,719.48 × 15,393.96
  4. Step 4: Simplify right side
    27,331.38x = 580,652,166.34
  5. Step 5: Solve for x
    x = 580,652,166.34/27,331.38
  6. Step 6: Final answer
    x = 21,244.89

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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.