Home / 27,757.28-38,304.28-15,182.03

Finding the Fourth Proportional to 27,757.28, 38,304.28 and 15,182.03

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Solution

The fourth proportional to 27,757.28, 38,304.28 and 15,182.03 is: 20,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.28 : 38,304.28 = 15,182.03 : x
  2. Step 2: Convert to fraction form
    27,757.28/38,304.28 = 15,182.03/x
  3. Step 3: Cross multiply
    27,757.28x = 38,304.28 × 15,182.03
  4. Step 4: Simplify right side
    27,757.28x = 581,536,728.09
  5. Step 5: Solve for x
    x = 581,536,728.09/27,757.28
  6. Step 6: Final answer
    x = 20,950.78

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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.