Home / 26,380.82-39,580.38-11,587.68

Finding the Fourth Proportional to 26,380.82, 39,580.38 and 11,587.68

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Solution

The fourth proportional to 26,380.82, 39,580.38 and 11,587.68 is: 17,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.82 : 39,580.38 = 11,587.68 : x
  2. Step 2: Convert to fraction form
    26,380.82/39,580.38 = 11,587.68/x
  3. Step 3: Cross multiply
    26,380.82x = 39,580.38 × 11,587.68
  4. Step 4: Simplify right side
    26,380.82x = 458,644,777.72
  5. Step 5: Solve for x
    x = 458,644,777.72/26,380.82
  6. Step 6: Final answer
    x = 17,385.54

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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.