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Finding the Fourth Proportional to 22,801.60, 34,199.20 and 7,220.80

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Solution

The fourth proportional to 22,801.60, 34,199.20 and 7,220.80 is: 10,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,801.60 : 34,199.20 = 7,220.80 : x
  2. Step 2: Convert to fraction form
    22,801.60/34,199.20 = 7,220.80/x
  3. Step 3: Cross multiply
    22,801.60x = 34,199.20 × 7,220.80
  4. Step 4: Simplify right side
    22,801.60x = 246,945,583.36
  5. Step 5: Solve for x
    x = 246,945,583.36/22,801.60
  6. Step 6: Final answer
    x = 10,830.19

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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.