Home / 22,278.72-30,731.04-17,234.88

Finding the Fourth Proportional to 22,278.72, 30,731.04 and 17,234.88

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Solution

The fourth proportional to 22,278.72, 30,731.04 and 17,234.88 is: 23,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.72 : 30,731.04 = 17,234.88 : x
  2. Step 2: Convert to fraction form
    22,278.72/30,731.04 = 17,234.88/x
  3. Step 3: Cross multiply
    22,278.72x = 30,731.04 × 17,234.88
  4. Step 4: Simplify right side
    22,278.72x = 529,645,786.68
  5. Step 5: Solve for x
    x = 529,645,786.68/22,278.72
  6. Step 6: Final answer
    x = 23,773.62

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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.