Home / 20,102.05-27,744.87-11,609.74

Finding the Fourth Proportional to 20,102.05, 27,744.87 and 11,609.74

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Solution

The fourth proportional to 20,102.05, 27,744.87 and 11,609.74 is: 16,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102.05 : 27,744.87 = 11,609.74 : x
  2. Step 2: Convert to fraction form
    20,102.05/27,744.87 = 11,609.74/x
  3. Step 3: Cross multiply
    20,102.05x = 27,744.87 × 11,609.74
  4. Step 4: Simplify right side
    20,102.05x = 322,110,727.03
  5. Step 5: Solve for x
    x = 322,110,727.03/20,102.05
  6. Step 6: Final answer
    x = 16,023.78

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