Home / 22,142.76-33,219.60-18,238.96

Finding the Fourth Proportional to 22,142.76, 33,219.60 and 18,238.96

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Solution

The fourth proportional to 22,142.76, 33,219.60 and 18,238.96 is: 27,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142.76 : 33,219.60 = 18,238.96 : x
  2. Step 2: Convert to fraction form
    22,142.76/33,219.60 = 18,238.96/x
  3. Step 3: Cross multiply
    22,142.76x = 33,219.60 × 18,238.96
  4. Step 4: Simplify right side
    22,142.76x = 605,890,955.62
  5. Step 5: Solve for x
    x = 605,890,955.62/22,142.76
  6. Step 6: Final answer
    x = 27,362.94

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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.