Home / 28,618.20-42,880.32-27,524.70

Finding the Fourth Proportional to 28,618.20, 42,880.32 and 27,524.70

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Solution

The fourth proportional to 28,618.20, 42,880.32 and 27,524.70 is: 41,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618.20 : 42,880.32 = 27,524.70 : x
  2. Step 2: Convert to fraction form
    28,618.20/42,880.32 = 27,524.70/x
  3. Step 3: Cross multiply
    28,618.20x = 42,880.32 × 27,524.70
  4. Step 4: Simplify right side
    28,618.20x = 1,180,267,943.90
  5. Step 5: Solve for x
    x = 1,180,267,943.90/28,618.20
  6. Step 6: Final answer
    x = 41,241.87

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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.