Home / 22,629.28-31,228.56-13,198.24

Finding the Fourth Proportional to 22,629.28, 31,228.56 and 13,198.24

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Solution

The fourth proportional to 22,629.28, 31,228.56 and 13,198.24 is: 18,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629.28 : 31,228.56 = 13,198.24 : x
  2. Step 2: Convert to fraction form
    22,629.28/31,228.56 = 13,198.24/x
  3. Step 3: Cross multiply
    22,629.28x = 31,228.56 × 13,198.24
  4. Step 4: Simplify right side
    22,629.28x = 412,162,029.73
  5. Step 5: Solve for x
    x = 412,162,029.73/22,629.28
  6. Step 6: Final answer
    x = 18,213.66

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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.