Home / 28,930.50-43,380.11-15,610.66

Finding the Fourth Proportional to 28,930.50, 43,380.11 and 15,610.66

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Solution

The fourth proportional to 28,930.50, 43,380.11 and 15,610.66 is: 23,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.50 : 43,380.11 = 15,610.66 : x
  2. Step 2: Convert to fraction form
    28,930.50/43,380.11 = 15,610.66/x
  3. Step 3: Cross multiply
    28,930.50x = 43,380.11 × 15,610.66
  4. Step 4: Simplify right side
    28,930.50x = 677,192,078.55
  5. Step 5: Solve for x
    x = 677,192,078.55/28,930.50
  6. Step 6: Final answer
    x = 23,407.55

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1.5x scale

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.