Home / 26,947.95-40,439.22-18,073.30

Finding the Fourth Proportional to 26,947.95, 40,439.22 and 18,073.30

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Solution

The fourth proportional to 26,947.95, 40,439.22 and 18,073.30 is: 27,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.95 : 40,439.22 = 18,073.30 : x
  2. Step 2: Convert to fraction form
    26,947.95/40,439.22 = 18,073.30/x
  3. Step 3: Cross multiply
    26,947.95x = 40,439.22 × 18,073.30
  4. Step 4: Simplify right side
    26,947.95x = 730,870,053.73
  5. Step 5: Solve for x
    x = 730,870,053.73/26,947.95
  6. Step 6: Final answer
    x = 27,121.55

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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.