Home / 38,578.77-57,873.96-11,922.57

Finding the Fourth Proportional to 38,578.77, 57,873.96 and 11,922.57

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Solution

The fourth proportional to 38,578.77, 57,873.96 and 11,922.57 is: 17,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578.77 : 57,873.96 = 11,922.57 : x
  2. Step 2: Convert to fraction form
    38,578.77/57,873.96 = 11,922.57/x
  3. Step 3: Cross multiply
    38,578.77x = 57,873.96 × 11,922.57
  4. Step 4: Simplify right side
    38,578.77x = 690,006,339.28
  5. Step 5: Solve for x
    x = 690,006,339.28/38,578.77
  6. Step 6: Final answer
    x = 17,885.65

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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.