Home / 20,226.36-30,321.06-17,126.34

Finding the Fourth Proportional to 20,226.36, 30,321.06 and 17,126.34

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Solution

The fourth proportional to 20,226.36, 30,321.06 and 17,126.34 is: 25,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.36 : 30,321.06 = 17,126.34 : x
  2. Step 2: Convert to fraction form
    20,226.36/30,321.06 = 17,126.34/x
  3. Step 3: Cross multiply
    20,226.36x = 30,321.06 × 17,126.34
  4. Step 4: Simplify right side
    20,226.36x = 519,288,782.72
  5. Step 5: Solve for x
    x = 519,288,782.72/20,226.36
  6. Step 6: Final answer
    x = 25,673.86

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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.