Home / 42,027.92-57,993.22-28,445.64

Finding the Fourth Proportional to 42,027.92, 57,993.22 and 28,445.64

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Solution

The fourth proportional to 42,027.92, 57,993.22 and 28,445.64 is: 39,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,027.92 : 57,993.22 = 28,445.64 : x
  2. Step 2: Convert to fraction form
    42,027.92/57,993.22 = 28,445.64/x
  3. Step 3: Cross multiply
    42,027.92x = 57,993.22 × 28,445.64
  4. Step 4: Simplify right side
    42,027.92x = 1,649,654,258.56
  5. Step 5: Solve for x
    x = 1,649,654,258.56/42,027.92
  6. Step 6: Final answer
    x = 39,251.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.