Home / 28,208.70-42,265.44-17,081.82

Finding the Fourth Proportional to 28,208.70, 42,265.44 and 17,081.82

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Solution

The fourth proportional to 28,208.70, 42,265.44 and 17,081.82 is: 25,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.70 : 42,265.44 = 17,081.82 : x
  2. Step 2: Convert to fraction form
    28,208.70/42,265.44 = 17,081.82/x
  3. Step 3: Cross multiply
    28,208.70x = 42,265.44 × 17,081.82
  4. Step 4: Simplify right side
    28,208.70x = 721,970,638.30
  5. Step 5: Solve for x
    x = 721,970,638.30/28,208.70
  6. Step 6: Final answer
    x = 25,593.90

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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.