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Finding the Fourth Proportional to 15,481.60, 23,215.30 and 4,949.58

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Solution

The fourth proportional to 15,481.60, 23,215.30 and 4,949.58 is: 7,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.60 : 23,215.30 = 4,949.58 : x
  2. Step 2: Convert to fraction form
    15,481.60/23,215.30 = 4,949.58/x
  3. Step 3: Cross multiply
    15,481.60x = 23,215.30 × 4,949.58
  4. Step 4: Simplify right side
    15,481.60x = 114,905,984.57
  5. Step 5: Solve for x
    x = 114,905,984.57/15,481.60
  6. Step 6: Final answer
    x = 7,422.10

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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.