Home / 22,427.20-33,591.84-18,487.36

Finding the Fourth Proportional to 22,427.20, 33,591.84 and 18,487.36

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Solution

The fourth proportional to 22,427.20, 33,591.84 and 18,487.36 is: 27,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.20 : 33,591.84 = 18,487.36 : x
  2. Step 2: Convert to fraction form
    22,427.20/33,591.84 = 18,487.36/x
  3. Step 3: Cross multiply
    22,427.20x = 33,591.84 × 18,487.36
  4. Step 4: Simplify right side
    22,427.20x = 621,024,439.14
  5. Step 5: Solve for x
    x = 621,024,439.14/22,427.20
  6. Step 6: Final answer
    x = 27,690.68

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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.