Home / 27,129.40-40,694.10-22,204.60

Finding the Fourth Proportional to 27,129.40, 40,694.10 and 22,204.60

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Solution

The fourth proportional to 27,129.40, 40,694.10 and 22,204.60 is: 33,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.40 : 40,694.10 = 22,204.60 : x
  2. Step 2: Convert to fraction form
    27,129.40/40,694.10 = 22,204.60/x
  3. Step 3: Cross multiply
    27,129.40x = 40,694.10 × 22,204.60
  4. Step 4: Simplify right side
    27,129.40x = 903,596,212.86
  5. Step 5: Solve for x
    x = 903,596,212.86/27,129.40
  6. Step 6: Final answer
    x = 33,306.90

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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.