Home / 38,573.92-57,865.51-13,608.81

Finding the Fourth Proportional to 38,573.92, 57,865.51 and 13,608.81

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Solution

The fourth proportional to 38,573.92, 57,865.51 and 13,608.81 is: 20,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.92 : 57,865.51 = 13,608.81 : x
  2. Step 2: Convert to fraction form
    38,573.92/57,865.51 = 13,608.81/x
  3. Step 3: Cross multiply
    38,573.92x = 57,865.51 × 13,608.81
  4. Step 4: Simplify right side
    38,573.92x = 787,480,671.60
  5. Step 5: Solve for x
    x = 787,480,671.60/38,573.92
  6. Step 6: Final answer
    x = 20,414.85

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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.