Home / 27,754.98-38,302.02-15,179.76

Finding the Fourth Proportional to 27,754.98, 38,302.02 and 15,179.76

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Solution

The fourth proportional to 27,754.98, 38,302.02 and 15,179.76 is: 20,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754.98 : 38,302.02 = 15,179.76 : x
  2. Step 2: Convert to fraction form
    27,754.98/38,302.02 = 15,179.76/x
  3. Step 3: Cross multiply
    27,754.98x = 38,302.02 × 15,179.76
  4. Step 4: Simplify right side
    27,754.98x = 581,415,471.12
  5. Step 5: Solve for x
    x = 581,415,471.12/27,754.98
  6. Step 6: Final answer
    x = 20,948.15

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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.