Home / 27,647.38-38,153.19-15,072.22

Finding the Fourth Proportional to 27,647.38, 38,153.19 and 15,072.22

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Solution

The fourth proportional to 27,647.38, 38,153.19 and 15,072.22 is: 20,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.38 : 38,153.19 = 15,072.22 : x
  2. Step 2: Convert to fraction form
    27,647.38/38,153.19 = 15,072.22/x
  3. Step 3: Cross multiply
    27,647.38x = 38,153.19 × 15,072.22
  4. Step 4: Simplify right side
    27,647.38x = 575,053,273.38
  5. Step 5: Solve for x
    x = 575,053,273.38/27,647.38
  6. Step 6: Final answer
    x = 20,799.56

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Double scale
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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.