Home / 28,743.96-43,067.19-20,382.33

Finding the Fourth Proportional to 28,743.96, 43,067.19 and 20,382.33

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Solution

The fourth proportional to 28,743.96, 43,067.19 and 20,382.33 is: 30,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.96 : 43,067.19 = 20,382.33 : x
  2. Step 2: Convert to fraction form
    28,743.96/43,067.19 = 20,382.33/x
  3. Step 3: Cross multiply
    28,743.96x = 43,067.19 × 20,382.33
  4. Step 4: Simplify right side
    28,743.96x = 877,809,916.69
  5. Step 5: Solve for x
    x = 877,809,916.69/28,743.96
  6. Step 6: Final answer
    x = 30,538.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.