Home / 26,889.62-40,336.57-8,171.29

Finding the Fourth Proportional to 26,889.62, 40,336.57 and 8,171.29

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Solution

The fourth proportional to 26,889.62, 40,336.57 and 8,171.29 is: 12,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.62 : 40,336.57 = 8,171.29 : x
  2. Step 2: Convert to fraction form
    26,889.62/40,336.57 = 8,171.29/x
  3. Step 3: Cross multiply
    26,889.62x = 40,336.57 × 8,171.29
  4. Step 4: Simplify right side
    26,889.62x = 329,601,891.49
  5. Step 5: Solve for x
    x = 329,601,891.49/26,889.62
  6. Step 6: Final answer
    x = 12,257.59

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1.5x scale

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.