Home / 26,989.22-40,442.81-17,098.50

Finding the Fourth Proportional to 26,989.22, 40,442.81 and 17,098.50

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Solution

The fourth proportional to 26,989.22, 40,442.81 and 17,098.50 is: 25,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.22 : 40,442.81 = 17,098.50 : x
  2. Step 2: Convert to fraction form
    26,989.22/40,442.81 = 17,098.50/x
  3. Step 3: Cross multiply
    26,989.22x = 40,442.81 × 17,098.50
  4. Step 4: Simplify right side
    26,989.22x = 691,511,301.29
  5. Step 5: Solve for x
    x = 691,511,301.29/26,989.22
  6. Step 6: Final answer
    x = 25,621.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.