Home / 27,757.44-38,305.20-15,182.16

Finding the Fourth Proportional to 27,757.44, 38,305.20 and 15,182.16

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Solution

The fourth proportional to 27,757.44, 38,305.20 and 15,182.16 is: 20,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.44 : 38,305.20 = 15,182.16 : x
  2. Step 2: Convert to fraction form
    27,757.44/38,305.20 = 15,182.16/x
  3. Step 3: Cross multiply
    27,757.44x = 38,305.20 × 15,182.16
  4. Step 4: Simplify right side
    27,757.44x = 581,555,675.23
  5. Step 5: Solve for x
    x = 581,555,675.23/27,757.44
  6. Step 6: Final answer
    x = 20,951.34

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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.