Home / 26,135.20-39,145.20-22,679.20

Finding the Fourth Proportional to 26,135.20, 39,145.20 and 22,679.20

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Solution

The fourth proportional to 26,135.20, 39,145.20 and 22,679.20 is: 33,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,135.20 : 39,145.20 = 22,679.20 : x
  2. Step 2: Convert to fraction form
    26,135.20/39,145.20 = 22,679.20/x
  3. Step 3: Cross multiply
    26,135.20x = 39,145.20 × 22,679.20
  4. Step 4: Simplify right side
    26,135.20x = 887,781,819.84
  5. Step 5: Solve for x
    x = 887,781,819.84/26,135.20
  6. Step 6: Final answer
    x = 33,968.82

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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.