Home / 16,001.28-23,811.84-15,379.20

Finding the Fourth Proportional to 16,001.28, 23,811.84 and 15,379.20

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Solution

The fourth proportional to 16,001.28, 23,811.84 and 15,379.20 is: 22,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,001.28 : 23,811.84 = 15,379.20 : x
  2. Step 2: Convert to fraction form
    16,001.28/23,811.84 = 15,379.20/x
  3. Step 3: Cross multiply
    16,001.28x = 23,811.84 × 15,379.20
  4. Step 4: Simplify right side
    16,001.28x = 366,207,049.73
  5. Step 5: Solve for x
    x = 366,207,049.73/16,001.28
  6. Step 6: Final answer
    x = 22,886.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.