Home / 22,251.20-33,376.80-18,606.20

Finding the Fourth Proportional to 22,251.20, 33,376.80 and 18,606.20

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Solution

The fourth proportional to 22,251.20, 33,376.80 and 18,606.20 is: 27,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.20 : 33,376.80 = 18,606.20 : x
  2. Step 2: Convert to fraction form
    22,251.20/33,376.80 = 18,606.20/x
  3. Step 3: Cross multiply
    22,251.20x = 33,376.80 × 18,606.20
  4. Step 4: Simplify right side
    22,251.20x = 621,015,416.16
  5. Step 5: Solve for x
    x = 621,015,416.16/22,251.20
  6. Step 6: Final answer
    x = 27,909.30

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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.