Home / 20,694.28-31,060.86-16,106.44

Finding the Fourth Proportional to 20,694.28, 31,060.86 and 16,106.44

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Solution

The fourth proportional to 20,694.28, 31,060.86 and 16,106.44 is: 24,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.28 : 31,060.86 = 16,106.44 : x
  2. Step 2: Convert to fraction form
    20,694.28/31,060.86 = 16,106.44/x
  3. Step 3: Cross multiply
    20,694.28x = 31,060.86 × 16,106.44
  4. Step 4: Simplify right side
    20,694.28x = 500,279,877.94
  5. Step 5: Solve for x
    x = 500,279,877.94/20,694.28
  6. Step 6: Final answer
    x = 24,174.79

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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.