Home / 28,593.26-42,842.47-20,231.83

Finding the Fourth Proportional to 28,593.26, 42,842.47 and 20,231.83

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Solution

The fourth proportional to 28,593.26, 42,842.47 and 20,231.83 is: 30,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.26 : 42,842.47 = 20,231.83 : x
  2. Step 2: Convert to fraction form
    28,593.26/42,842.47 = 20,231.83/x
  3. Step 3: Cross multiply
    28,593.26x = 42,842.47 × 20,231.83
  4. Step 4: Simplify right side
    28,593.26x = 866,781,569.82
  5. Step 5: Solve for x
    x = 866,781,569.82/28,593.26
  6. Step 6: Final answer
    x = 30,314.19

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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.