Home / 26,827.38-40,245.30-8,105.09

Finding the Fourth Proportional to 26,827.38, 40,245.30 and 8,105.09

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Solution

The fourth proportional to 26,827.38, 40,245.30 and 8,105.09 is: 12,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,827.38 : 40,245.30 = 8,105.09 : x
  2. Step 2: Convert to fraction form
    26,827.38/40,245.30 = 8,105.09/x
  3. Step 3: Cross multiply
    26,827.38x = 40,245.30 × 8,105.09
  4. Step 4: Simplify right side
    26,827.38x = 326,191,778.58
  5. Step 5: Solve for x
    x = 326,191,778.58/26,827.38
  6. Step 6: Final answer
    x = 12,158.91

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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.