Home / 26,121.26-39,181.71-10,538.66

Finding the Fourth Proportional to 26,121.26, 39,181.71 and 10,538.66

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Solution

The fourth proportional to 26,121.26, 39,181.71 and 10,538.66 is: 15,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.26 : 39,181.71 = 10,538.66 : x
  2. Step 2: Convert to fraction form
    26,121.26/39,181.71 = 10,538.66/x
  3. Step 3: Cross multiply
    26,121.26x = 39,181.71 × 10,538.66
  4. Step 4: Simplify right side
    26,121.26x = 412,922,719.91
  5. Step 5: Solve for x
    x = 412,922,719.91/26,121.26
  6. Step 6: Final answer
    x = 15,807.92

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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.