Home / 26,912.13-40,336.61-12,103.71

Finding the Fourth Proportional to 26,912.13, 40,336.61 and 12,103.71

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Solution

The fourth proportional to 26,912.13, 40,336.61 and 12,103.71 is: 18,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.13 : 40,336.61 = 12,103.71 : x
  2. Step 2: Convert to fraction form
    26,912.13/40,336.61 = 12,103.71/x
  3. Step 3: Cross multiply
    26,912.13x = 40,336.61 × 12,103.71
  4. Step 4: Simplify right side
    26,912.13x = 488,222,569.30
  5. Step 5: Solve for x
    x = 488,222,569.30/26,912.13
  6. Step 6: Final answer
    x = 18,141.36

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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.