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Finding the Fourth Proportional to 16,767.60, 25,122.60 and 8,858.40

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Solution

The fourth proportional to 16,767.60, 25,122.60 and 8,858.40 is: 13,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.60 : 25,122.60 = 8,858.40 : x
  2. Step 2: Convert to fraction form
    16,767.60/25,122.60 = 8,858.40/x
  3. Step 3: Cross multiply
    16,767.60x = 25,122.60 × 8,858.40
  4. Step 4: Simplify right side
    16,767.60x = 222,546,039.84
  5. Step 5: Solve for x
    x = 222,546,039.84/16,767.60
  6. Step 6: Final answer
    x = 13,272.38

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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.