Home / 26,175.68-39,191.56-18,286.08

Finding the Fourth Proportional to 26,175.68, 39,191.56 and 18,286.08

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Solution

The fourth proportional to 26,175.68, 39,191.56 and 18,286.08 is: 27,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,175.68 : 39,191.56 = 18,286.08 : x
  2. Step 2: Convert to fraction form
    26,175.68/39,191.56 = 18,286.08/x
  3. Step 3: Cross multiply
    26,175.68x = 39,191.56 × 18,286.08
  4. Step 4: Simplify right side
    26,175.68x = 716,660,001.48
  5. Step 5: Solve for x
    x = 716,660,001.48/26,175.68
  6. Step 6: Final answer
    x = 27,378.85

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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.