Home / 20,896.27-31,344.41-5,101.27

Finding the Fourth Proportional to 20,896.27, 31,344.41 and 5,101.27

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Solution

The fourth proportional to 20,896.27, 31,344.41 and 5,101.27 is: 7,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896.27 : 31,344.41 = 5,101.27 : x
  2. Step 2: Convert to fraction form
    20,896.27/31,344.41 = 5,101.27/x
  3. Step 3: Cross multiply
    20,896.27x = 31,344.41 × 5,101.27
  4. Step 4: Simplify right side
    20,896.27x = 159,896,298.40
  5. Step 5: Solve for x
    x = 159,896,298.40/20,896.27
  6. Step 6: Final answer
    x = 7,651.91

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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.