Home / 26,843.68-40,240.68-10,198.72

Finding the Fourth Proportional to 26,843.68, 40,240.68 and 10,198.72

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Solution

The fourth proportional to 26,843.68, 40,240.68 and 10,198.72 is: 15,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,843.68 : 40,240.68 = 10,198.72 : x
  2. Step 2: Convert to fraction form
    26,843.68/40,240.68 = 10,198.72/x
  3. Step 3: Cross multiply
    26,843.68x = 40,240.68 × 10,198.72
  4. Step 4: Simplify right side
    26,843.68x = 410,403,427.93
  5. Step 5: Solve for x
    x = 410,403,427.93/26,843.68
  6. Step 6: Final answer
    x = 15,288.64

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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.