Home / 22,139.12-33,171.76-15,889.76

Finding the Fourth Proportional to 22,139.12, 33,171.76 and 15,889.76

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Solution

The fourth proportional to 22,139.12, 33,171.76 and 15,889.76 is: 23,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.12 : 33,171.76 = 15,889.76 : x
  2. Step 2: Convert to fraction form
    22,139.12/33,171.76 = 15,889.76/x
  3. Step 3: Cross multiply
    22,139.12x = 33,171.76 × 15,889.76
  4. Step 4: Simplify right side
    22,139.12x = 527,091,348.38
  5. Step 5: Solve for x
    x = 527,091,348.38/22,139.12
  6. Step 6: Final answer
    x = 23,808.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.