Home / 38,427.05-57,660.18-25,920.87

Finding the Fourth Proportional to 38,427.05, 57,660.18 and 25,920.87

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Solution

The fourth proportional to 38,427.05, 57,660.18 and 25,920.87 is: 38,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,427.05 : 57,660.18 = 25,920.87 : x
  2. Step 2: Convert to fraction form
    38,427.05/57,660.18 = 25,920.87/x
  3. Step 3: Cross multiply
    38,427.05x = 57,660.18 × 25,920.87
  4. Step 4: Simplify right side
    38,427.05x = 1,494,601,829.97
  5. Step 5: Solve for x
    x = 1,494,601,829.97/38,427.05
  6. Step 6: Final answer
    x = 38,894.52

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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.