Home / 26,769.60-40,179.24-19,280.88

Finding the Fourth Proportional to 26,769.60, 40,179.24 and 19,280.88

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Solution

The fourth proportional to 26,769.60, 40,179.24 and 19,280.88 is: 28,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,769.60 : 40,179.24 = 19,280.88 : x
  2. Step 2: Convert to fraction form
    26,769.60/40,179.24 = 19,280.88/x
  3. Step 3: Cross multiply
    26,769.60x = 40,179.24 × 19,280.88
  4. Step 4: Simplify right side
    26,769.60x = 774,691,104.93
  5. Step 5: Solve for x
    x = 774,691,104.93/26,769.60
  6. Step 6: Final answer
    x = 28,939.21

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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.