Home / 26,729.80-40,104.30-11,152.20

Finding the Fourth Proportional to 26,729.80, 40,104.30 and 11,152.20

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Solution

The fourth proportional to 26,729.80, 40,104.30 and 11,152.20 is: 16,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729.80 : 40,104.30 = 11,152.20 : x
  2. Step 2: Convert to fraction form
    26,729.80/40,104.30 = 11,152.20/x
  3. Step 3: Cross multiply
    26,729.80x = 40,104.30 × 11,152.20
  4. Step 4: Simplify right side
    26,729.80x = 447,251,174.46
  5. Step 5: Solve for x
    x = 447,251,174.46/26,729.80
  6. Step 6: Final answer
    x = 16,732.31

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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.