Home / 15,481.88-23,223.12-3,795.20

Finding the Fourth Proportional to 15,481.88, 23,223.12 and 3,795.20

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Solution

The fourth proportional to 15,481.88, 23,223.12 and 3,795.20 is: 5,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.88 : 23,223.12 = 3,795.20 : x
  2. Step 2: Convert to fraction form
    15,481.88/23,223.12 = 3,795.20/x
  3. Step 3: Cross multiply
    15,481.88x = 23,223.12 × 3,795.20
  4. Step 4: Simplify right side
    15,481.88x = 88,136,385.02
  5. Step 5: Solve for x
    x = 88,136,385.02/15,481.88
  6. Step 6: Final answer
    x = 5,692.87

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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.