Home / 20,036-27,650.96-11,204

Finding the Fourth Proportional to 20,036, 27,650.96 and 11,204

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Solution

The fourth proportional to 20,036, 27,650.96 and 11,204 is: 15,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036 : 27,650.96 = 11,204 : x
  2. Step 2: Convert to fraction form
    20,036/27,650.96 = 11,204/x
  3. Step 3: Cross multiply
    20,036x = 27,650.96 × 11,204
  4. Step 4: Simplify right side
    20,036x = 309,801,355.84
  5. Step 5: Solve for x
    x = 309,801,355.84/20,036
  6. Step 6: Final answer
    x = 15,462.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.