Home / 26,761.14-40,147.34-10,120.80

Finding the Fourth Proportional to 26,761.14, 40,147.34 and 10,120.80

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Solution

The fourth proportional to 26,761.14, 40,147.34 and 10,120.80 is: 15,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.14 : 40,147.34 = 10,120.80 : x
  2. Step 2: Convert to fraction form
    26,761.14/40,147.34 = 10,120.80/x
  3. Step 3: Cross multiply
    26,761.14x = 40,147.34 × 10,120.80
  4. Step 4: Simplify right side
    26,761.14x = 406,322,947.33
  5. Step 5: Solve for x
    x = 406,322,947.33/26,761.14
  6. Step 6: Final answer
    x = 15,183.32

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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.