Home / 19,618.24-27,067.68-18,633.28

Finding the Fourth Proportional to 19,618.24, 27,067.68 and 18,633.28

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Solution

The fourth proportional to 19,618.24, 27,067.68 and 18,633.28 is: 25,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.24 : 27,067.68 = 18,633.28 : x
  2. Step 2: Convert to fraction form
    19,618.24/27,067.68 = 18,633.28/x
  3. Step 3: Cross multiply
    19,618.24x = 27,067.68 × 18,633.28
  4. Step 4: Simplify right side
    19,618.24x = 504,359,660.39
  5. Step 5: Solve for x
    x = 504,359,660.39/19,618.24
  6. Step 6: Final answer
    x = 25,708.71

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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.