Home / 19,440.87-26,826.90-11,481.57

Finding the Fourth Proportional to 19,440.87, 26,826.90 and 11,481.57

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Solution

The fourth proportional to 19,440.87, 26,826.90 and 11,481.57 is: 15,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.87 : 26,826.90 = 11,481.57 : x
  2. Step 2: Convert to fraction form
    19,440.87/26,826.90 = 11,481.57/x
  3. Step 3: Cross multiply
    19,440.87x = 26,826.90 × 11,481.57
  4. Step 4: Simplify right side
    19,440.87x = 308,014,930.23
  5. Step 5: Solve for x
    x = 308,014,930.23/19,440.87
  6. Step 6: Final answer
    x = 15,843.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.