Home / 38,523.78-57,790.49-13,228.20

Finding the Fourth Proportional to 38,523.78, 57,790.49 and 13,228.20

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Solution

The fourth proportional to 38,523.78, 57,790.49 and 13,228.20 is: 19,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523.78 : 57,790.49 = 13,228.20 : x
  2. Step 2: Convert to fraction form
    38,523.78/57,790.49 = 13,228.20/x
  3. Step 3: Cross multiply
    38,523.78x = 57,790.49 × 13,228.20
  4. Step 4: Simplify right side
    38,523.78x = 764,464,093.68
  5. Step 5: Solve for x
    x = 764,464,093.68/38,523.78
  6. Step 6: Final answer
    x = 19,843.95

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1.5x scale

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.