Home / 27,428.74-41,149.26-8,708.68

Finding the Fourth Proportional to 27,428.74, 41,149.26 and 8,708.68

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Solution

The fourth proportional to 27,428.74, 41,149.26 and 8,708.68 is: 13,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.74 : 41,149.26 = 8,708.68 : x
  2. Step 2: Convert to fraction form
    27,428.74/41,149.26 = 8,708.68/x
  3. Step 3: Cross multiply
    27,428.74x = 41,149.26 × 8,708.68
  4. Step 4: Simplify right side
    27,428.74x = 358,355,737.58
  5. Step 5: Solve for x
    x = 358,355,737.58/27,428.74
  6. Step 6: Final answer
    x = 13,064.97

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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.