Home / 28,326.26-42,487.20-8,604.92

Finding the Fourth Proportional to 28,326.26, 42,487.20 and 8,604.92

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Solution

The fourth proportional to 28,326.26, 42,487.20 and 8,604.92 is: 12,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326.26 : 42,487.20 = 8,604.92 : x
  2. Step 2: Convert to fraction form
    28,326.26/42,487.20 = 8,604.92/x
  3. Step 3: Cross multiply
    28,326.26x = 42,487.20 × 8,604.92
  4. Step 4: Simplify right side
    28,326.26x = 365,598,744.59
  5. Step 5: Solve for x
    x = 365,598,744.59/28,326.26
  6. Step 6: Final answer
    x = 12,906.71

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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.