Home / 28,003.92-41,936.94-18,112.92

Finding the Fourth Proportional to 28,003.92, 41,936.94 and 18,112.92

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Solution

The fourth proportional to 28,003.92, 41,936.94 and 18,112.92 is: 27,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.92 : 41,936.94 = 18,112.92 : x
  2. Step 2: Convert to fraction form
    28,003.92/41,936.94 = 18,112.92/x
  3. Step 3: Cross multiply
    28,003.92x = 41,936.94 × 18,112.92
  4. Step 4: Simplify right side
    28,003.92x = 759,600,439.26
  5. Step 5: Solve for x
    x = 759,600,439.26/28,003.92
  6. Step 6: Final answer
    x = 27,124.79

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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.