Home / 27,591.50-38,076.28-15,016.34

Finding the Fourth Proportional to 27,591.50, 38,076.28 and 15,016.34

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Solution

The fourth proportional to 27,591.50, 38,076.28 and 15,016.34 is: 20,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.50 : 38,076.28 = 15,016.34 : x
  2. Step 2: Convert to fraction form
    27,591.50/38,076.28 = 15,016.34/x
  3. Step 3: Cross multiply
    27,591.50x = 38,076.28 × 15,016.34
  4. Step 4: Simplify right side
    27,591.50x = 571,766,366.42
  5. Step 5: Solve for x
    x = 571,766,366.42/27,591.50
  6. Step 6: Final answer
    x = 20,722.55

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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.