Home / 28,372.77-42,559.11-28,331.73

Finding the Fourth Proportional to 28,372.77, 42,559.11 and 28,331.73

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Solution

The fourth proportional to 28,372.77, 42,559.11 and 28,331.73 is: 42,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,372.77 : 42,559.11 = 28,331.73 : x
  2. Step 2: Convert to fraction form
    28,372.77/42,559.11 = 28,331.73/x
  3. Step 3: Cross multiply
    28,372.77x = 42,559.11 × 28,331.73
  4. Step 4: Simplify right side
    28,372.77x = 1,205,773,213.56
  5. Step 5: Solve for x
    x = 1,205,773,213.56/28,372.77
  6. Step 6: Final answer
    x = 42,497.55

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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.