Home / 22,190.40-33,285.60-14,770.80

Finding the Fourth Proportional to 22,190.40, 33,285.60 and 14,770.80

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Solution

The fourth proportional to 22,190.40, 33,285.60 and 14,770.80 is: 22,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.40 : 33,285.60 = 14,770.80 : x
  2. Step 2: Convert to fraction form
    22,190.40/33,285.60 = 14,770.80/x
  3. Step 3: Cross multiply
    22,190.40x = 33,285.60 × 14,770.80
  4. Step 4: Simplify right side
    22,190.40x = 491,654,940.48
  5. Step 5: Solve for x
    x = 491,654,940.48/22,190.40
  6. Step 6: Final answer
    x = 22,156.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.