Home / 36,728.39-55,102.21-15,669.61

Finding the Fourth Proportional to 36,728.39, 55,102.21 and 15,669.61

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Solution

The fourth proportional to 36,728.39, 55,102.21 and 15,669.61 is: 23,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,728.39 : 55,102.21 = 15,669.61 : x
  2. Step 2: Convert to fraction form
    36,728.39/55,102.21 = 15,669.61/x
  3. Step 3: Cross multiply
    36,728.39x = 55,102.21 × 15,669.61
  4. Step 4: Simplify right side
    36,728.39x = 863,429,963.91
  5. Step 5: Solve for x
    x = 863,429,963.91/36,728.39
  6. Step 6: Final answer
    x = 23,508.51

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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.