Home / 22,380.10-33,579.24-11,290

Finding the Fourth Proportional to 22,380.10, 33,579.24 and 11,290

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Solution

The fourth proportional to 22,380.10, 33,579.24 and 11,290 is: 16,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.10 : 33,579.24 = 11,290 : x
  2. Step 2: Convert to fraction form
    22,380.10/33,579.24 = 11,290/x
  3. Step 3: Cross multiply
    22,380.10x = 33,579.24 × 11,290
  4. Step 4: Simplify right side
    22,380.10x = 379,109,619.60
  5. Step 5: Solve for x
    x = 379,109,619.60/22,380.10
  6. Step 6: Final answer
    x = 16,939.59

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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.