Home / 26,928.72-40,388.22-8,204.28

Finding the Fourth Proportional to 26,928.72, 40,388.22 and 8,204.28

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Solution

The fourth proportional to 26,928.72, 40,388.22 and 8,204.28 is: 12,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.72 : 40,388.22 = 8,204.28 : x
  2. Step 2: Convert to fraction form
    26,928.72/40,388.22 = 8,204.28/x
  3. Step 3: Cross multiply
    26,928.72x = 40,388.22 × 8,204.28
  4. Step 4: Simplify right side
    26,928.72x = 331,356,265.58
  5. Step 5: Solve for x
    x = 331,356,265.58/26,928.72
  6. Step 6: Final answer
    x = 12,304.94

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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.