Home / 27,754.50-38,301.24-15,179.28

Finding the Fourth Proportional to 27,754.50, 38,301.24 and 15,179.28

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Solution

The fourth proportional to 27,754.50, 38,301.24 and 15,179.28 is: 20,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754.50 : 38,301.24 = 15,179.28 : x
  2. Step 2: Convert to fraction form
    27,754.50/38,301.24 = 15,179.28/x
  3. Step 3: Cross multiply
    27,754.50x = 38,301.24 × 15,179.28
  4. Step 4: Simplify right side
    27,754.50x = 581,385,246.31
  5. Step 5: Solve for x
    x = 581,385,246.31/27,754.50
  6. Step 6: Final answer
    x = 20,947.42

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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.