Home / 27,983.20-41,976.96-8,261.32

Finding the Fourth Proportional to 27,983.20, 41,976.96 and 8,261.32

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Solution

The fourth proportional to 27,983.20, 41,976.96 and 8,261.32 is: 12,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.20 : 41,976.96 = 8,261.32 : x
  2. Step 2: Convert to fraction form
    27,983.20/41,976.96 = 8,261.32/x
  3. Step 3: Cross multiply
    27,983.20x = 41,976.96 × 8,261.32
  4. Step 4: Simplify right side
    27,983.20x = 346,785,099.19
  5. Step 5: Solve for x
    x = 346,785,099.19/27,983.20
  6. Step 6: Final answer
    x = 12,392.62

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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.