Home / 26,800.32-40,207.16-8,079.96

Finding the Fourth Proportional to 26,800.32, 40,207.16 and 8,079.96

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Solution

The fourth proportional to 26,800.32, 40,207.16 and 8,079.96 is: 12,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,800.32 : 40,207.16 = 8,079.96 : x
  2. Step 2: Convert to fraction form
    26,800.32/40,207.16 = 8,079.96/x
  3. Step 3: Cross multiply
    26,800.32x = 40,207.16 × 8,079.96
  4. Step 4: Simplify right side
    26,800.32x = 324,872,244.51
  5. Step 5: Solve for x
    x = 324,872,244.51/26,800.32
  6. Step 6: Final answer
    x = 12,121.95

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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.