Home / 17,838.06-24,729.18-16,890

Finding the Fourth Proportional to 17,838.06, 24,729.18 and 16,890

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Solution

The fourth proportional to 17,838.06, 24,729.18 and 16,890 is: 23,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.06 : 24,729.18 = 16,890 : x
  2. Step 2: Convert to fraction form
    17,838.06/24,729.18 = 16,890/x
  3. Step 3: Cross multiply
    17,838.06x = 24,729.18 × 16,890
  4. Step 4: Simplify right side
    17,838.06x = 417,675,850.20
  5. Step 5: Solve for x
    x = 417,675,850.20/17,838.06
  6. Step 6: Final answer
    x = 23,414.87

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.