Home / 28,297.82-42,452.87-8,577.90

Finding the Fourth Proportional to 28,297.82, 42,452.87 and 8,577.90

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Solution

The fourth proportional to 28,297.82, 42,452.87 and 8,577.90 is: 12,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.82 : 42,452.87 = 8,577.90 : x
  2. Step 2: Convert to fraction form
    28,297.82/42,452.87 = 8,577.90/x
  3. Step 3: Cross multiply
    28,297.82x = 42,452.87 × 8,577.90
  4. Step 4: Simplify right side
    28,297.82x = 364,156,430.68
  5. Step 5: Solve for x
    x = 364,156,430.68/28,297.82
  6. Step 6: Final answer
    x = 12,868.71

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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.