Home / 38,822.72-58,236.24-11,120

Finding the Fourth Proportional to 38,822.72, 58,236.24 and 11,120

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Solution

The fourth proportional to 38,822.72, 58,236.24 and 11,120 is: 16,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,822.72 : 58,236.24 = 11,120 : x
  2. Step 2: Convert to fraction form
    38,822.72/58,236.24 = 11,120/x
  3. Step 3: Cross multiply
    38,822.72x = 58,236.24 × 11,120
  4. Step 4: Simplify right side
    38,822.72x = 647,586,988.80
  5. Step 5: Solve for x
    x = 647,586,988.80/38,822.72
  6. Step 6: Final answer
    x = 16,680.62

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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.