Home / 38,508.22-57,767.81-11,856.43

Finding the Fourth Proportional to 38,508.22, 57,767.81 and 11,856.43

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Solution

The fourth proportional to 38,508.22, 57,767.81 and 11,856.43 is: 17,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,508.22 : 57,767.81 = 11,856.43 : x
  2. Step 2: Convert to fraction form
    38,508.22/57,767.81 = 11,856.43/x
  3. Step 3: Cross multiply
    38,508.22x = 57,767.81 × 11,856.43
  4. Step 4: Simplify right side
    38,508.22x = 684,919,995.52
  5. Step 5: Solve for x
    x = 684,919,995.52/38,508.22
  6. Step 6: Final answer
    x = 17,786.33

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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.