Home / 28,610.66-39,487.50-16,680.98

Finding the Fourth Proportional to 28,610.66, 39,487.50 and 16,680.98

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Solution

The fourth proportional to 28,610.66, 39,487.50 and 16,680.98 is: 23,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.66 : 39,487.50 = 16,680.98 : x
  2. Step 2: Convert to fraction form
    28,610.66/39,487.50 = 16,680.98/x
  3. Step 3: Cross multiply
    28,610.66x = 39,487.50 × 16,680.98
  4. Step 4: Simplify right side
    28,610.66x = 658,690,197.75
  5. Step 5: Solve for x
    x = 658,690,197.75/28,610.66
  6. Step 6: Final answer
    x = 23,022.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.