Home / 22,515.20-33,772.80-10,829.60

Finding the Fourth Proportional to 22,515.20, 33,772.80 and 10,829.60

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Solution

The fourth proportional to 22,515.20, 33,772.80 and 10,829.60 is: 16,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.20 : 33,772.80 = 10,829.60 : x
  2. Step 2: Convert to fraction form
    22,515.20/33,772.80 = 10,829.60/x
  3. Step 3: Cross multiply
    22,515.20x = 33,772.80 × 10,829.60
  4. Step 4: Simplify right side
    22,515.20x = 365,745,914.88
  5. Step 5: Solve for x
    x = 365,745,914.88/22,515.20
  6. Step 6: Final answer
    x = 16,244.40

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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.