Home / 26,452.88-39,665.28-11,644.64

Finding the Fourth Proportional to 26,452.88, 39,665.28 and 11,644.64

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Solution

The fourth proportional to 26,452.88, 39,665.28 and 11,644.64 is: 17,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,452.88 : 39,665.28 = 11,644.64 : x
  2. Step 2: Convert to fraction form
    26,452.88/39,665.28 = 11,644.64/x
  3. Step 3: Cross multiply
    26,452.88x = 39,665.28 × 11,644.64
  4. Step 4: Simplify right side
    26,452.88x = 461,887,906.10
  5. Step 5: Solve for x
    x = 461,887,906.10/26,452.88
  6. Step 6: Final answer
    x = 17,460.78

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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.