Home / 27,757.44-38,293.92-20,187.18

Finding the Fourth Proportional to 27,757.44, 38,293.92 and 20,187.18

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Solution

The fourth proportional to 27,757.44, 38,293.92 and 20,187.18 is: 27,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.44 : 38,293.92 = 20,187.18 : x
  2. Step 2: Convert to fraction form
    27,757.44/38,293.92 = 20,187.18/x
  3. Step 3: Cross multiply
    27,757.44x = 38,293.92 × 20,187.18
  4. Step 4: Simplify right side
    27,757.44x = 773,046,255.95
  5. Step 5: Solve for x
    x = 773,046,255.95/27,757.44
  6. Step 6: Final answer
    x = 27,850.06

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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.