Home / 20,257.49-30,385.94-5,467.91

Finding the Fourth Proportional to 20,257.49, 30,385.94 and 5,467.91

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Solution

The fourth proportional to 20,257.49, 30,385.94 and 5,467.91 is: 8,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.49 : 30,385.94 = 5,467.91 : x
  2. Step 2: Convert to fraction form
    20,257.49/30,385.94 = 5,467.91/x
  3. Step 3: Cross multiply
    20,257.49x = 30,385.94 × 5,467.91
  4. Step 4: Simplify right side
    20,257.49x = 166,147,405.92
  5. Step 5: Solve for x
    x = 166,147,405.92/20,257.49
  6. Step 6: Final answer
    x = 8,201.78

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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.