Home / 26,121.68-36,057.11-15,511.23

Finding the Fourth Proportional to 26,121.68, 36,057.11 and 15,511.23

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Solution

The fourth proportional to 26,121.68, 36,057.11 and 15,511.23 is: 21,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.68 : 36,057.11 = 15,511.23 : x
  2. Step 2: Convert to fraction form
    26,121.68/36,057.11 = 15,511.23/x
  3. Step 3: Cross multiply
    26,121.68x = 36,057.11 × 15,511.23
  4. Step 4: Simplify right side
    26,121.68x = 559,290,126.35
  5. Step 5: Solve for x
    x = 559,290,126.35/26,121.68
  6. Step 6: Final answer
    x = 21,410.96

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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.