Home / 38,579.28-57,873.06-12,277.87

Finding the Fourth Proportional to 38,579.28, 57,873.06 and 12,277.87

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Solution

The fourth proportional to 38,579.28, 57,873.06 and 12,277.87 is: 18,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.28 : 57,873.06 = 12,277.87 : x
  2. Step 2: Convert to fraction form
    38,579.28/57,873.06 = 12,277.87/x
  3. Step 3: Cross multiply
    38,579.28x = 57,873.06 × 12,277.87
  4. Step 4: Simplify right side
    38,579.28x = 710,557,907.18
  5. Step 5: Solve for x
    x = 710,557,907.18/38,579.28
  6. Step 6: Final answer
    x = 18,418.12

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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.