Home / 22,998.48-34,469.40-13,629.20

Finding the Fourth Proportional to 22,998.48, 34,469.40 and 13,629.20

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Solution

The fourth proportional to 22,998.48, 34,469.40 and 13,629.20 is: 20,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,998.48 : 34,469.40 = 13,629.20 : x
  2. Step 2: Convert to fraction form
    22,998.48/34,469.40 = 13,629.20/x
  3. Step 3: Cross multiply
    22,998.48x = 34,469.40 × 13,629.20
  4. Step 4: Simplify right side
    22,998.48x = 469,790,346.48
  5. Step 5: Solve for x
    x = 469,790,346.48/22,998.48
  6. Step 6: Final answer
    x = 20,427.02

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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.