Home / 28,067.20-42,003.60-25,734.40

Finding the Fourth Proportional to 28,067.20, 42,003.60 and 25,734.40

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Solution

The fourth proportional to 28,067.20, 42,003.60 and 25,734.40 is: 38,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.20 : 42,003.60 = 25,734.40 : x
  2. Step 2: Convert to fraction form
    28,067.20/42,003.60 = 25,734.40/x
  3. Step 3: Cross multiply
    28,067.20x = 42,003.60 × 25,734.40
  4. Step 4: Simplify right side
    28,067.20x = 1,080,937,443.84
  5. Step 5: Solve for x
    x = 1,080,937,443.84/28,067.20
  6. Step 6: Final answer
    x = 38,512.48

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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.