Home / 20,249.28-27,945.32-11,298.15

Finding the Fourth Proportional to 20,249.28, 27,945.32 and 11,298.15

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Solution

The fourth proportional to 20,249.28, 27,945.32 and 11,298.15 is: 15,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.28 : 27,945.32 = 11,298.15 : x
  2. Step 2: Convert to fraction form
    20,249.28/27,945.32 = 11,298.15/x
  3. Step 3: Cross multiply
    20,249.28x = 27,945.32 × 11,298.15
  4. Step 4: Simplify right side
    20,249.28x = 315,730,360.67
  5. Step 5: Solve for x
    x = 315,730,360.67/20,249.28
  6. Step 6: Final answer
    x = 15,592.18

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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.