Home / 22,041.28-33,213.44-18,231.04

Finding the Fourth Proportional to 22,041.28, 33,213.44 and 18,231.04

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Solution

The fourth proportional to 22,041.28, 33,213.44 and 18,231.04 is: 27,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.28 : 33,213.44 = 18,231.04 : x
  2. Step 2: Convert to fraction form
    22,041.28/33,213.44 = 18,231.04/x
  3. Step 3: Cross multiply
    22,041.28x = 33,213.44 × 18,231.04
  4. Step 4: Simplify right side
    22,041.28x = 605,515,553.18
  5. Step 5: Solve for x
    x = 605,515,553.18/22,041.28
  6. Step 6: Final answer
    x = 27,471.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.