Home / 55,067.20-82,600.80-15,625.60

Finding the Fourth Proportional to 55,067.20, 82,600.80 and 15,625.60

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Solution

The fourth proportional to 55,067.20, 82,600.80 and 15,625.60 is: 23,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,067.20 : 82,600.80 = 15,625.60 : x
  2. Step 2: Convert to fraction form
    55,067.20/82,600.80 = 15,625.60/x
  3. Step 3: Cross multiply
    55,067.20x = 82,600.80 × 15,625.60
  4. Step 4: Simplify right side
    55,067.20x = 1,290,687,060.48
  5. Step 5: Solve for x
    x = 1,290,687,060.48/55,067.20
  6. Step 6: Final answer
    x = 23,438.40

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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.