Home / 20,198.64-30,232.26-17,399.28

Finding the Fourth Proportional to 20,198.64, 30,232.26 and 17,399.28

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Solution

The fourth proportional to 20,198.64, 30,232.26 and 17,399.28 is: 26,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.64 : 30,232.26 = 17,399.28 : x
  2. Step 2: Convert to fraction form
    20,198.64/30,232.26 = 17,399.28/x
  3. Step 3: Cross multiply
    20,198.64x = 30,232.26 × 17,399.28
  4. Step 4: Simplify right side
    20,198.64x = 526,019,556.77
  5. Step 5: Solve for x
    x = 526,019,556.77/20,198.64
  6. Step 6: Final answer
    x = 26,042.33

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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.