Home / 21,995.20-33,017.10-17,086.60

Finding the Fourth Proportional to 21,995.20, 33,017.10 and 17,086.60

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Solution

The fourth proportional to 21,995.20, 33,017.10 and 17,086.60 is: 25,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.20 : 33,017.10 = 17,086.60 : x
  2. Step 2: Convert to fraction form
    21,995.20/33,017.10 = 17,086.60/x
  3. Step 3: Cross multiply
    21,995.20x = 33,017.10 × 17,086.60
  4. Step 4: Simplify right side
    21,995.20x = 564,149,980.86
  5. Step 5: Solve for x
    x = 564,149,980.86/21,995.20
  6. Step 6: Final answer
    x = 25,648.78

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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.