Home / 18,343.33-27,535.48-17,138.72

Finding the Fourth Proportional to 18,343.33, 27,535.48 and 17,138.72

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Solution

The fourth proportional to 18,343.33, 27,535.48 and 17,138.72 is: 25,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.33 : 27,535.48 = 17,138.72 : x
  2. Step 2: Convert to fraction form
    18,343.33/27,535.48 = 17,138.72/x
  3. Step 3: Cross multiply
    18,343.33x = 27,535.48 × 17,138.72
  4. Step 4: Simplify right side
    18,343.33x = 471,922,907.78
  5. Step 5: Solve for x
    x = 471,922,907.78/18,343.33
  6. Step 6: Final answer
    x = 25,727.22

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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.