Home / 26,821.62-40,203.27-11,221.02

Finding the Fourth Proportional to 26,821.62, 40,203.27 and 11,221.02

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Solution

The fourth proportional to 26,821.62, 40,203.27 and 11,221.02 is: 16,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.62 : 40,203.27 = 11,221.02 : x
  2. Step 2: Convert to fraction form
    26,821.62/40,203.27 = 11,221.02/x
  3. Step 3: Cross multiply
    26,821.62x = 40,203.27 × 11,221.02
  4. Step 4: Simplify right side
    26,821.62x = 451,121,696.74
  5. Step 5: Solve for x
    x = 451,121,696.74/26,821.62
  6. Step 6: Final answer
    x = 16,819.33

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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.