Home / 38,007.20-56,913.60-28,092.80

Finding the Fourth Proportional to 38,007.20, 56,913.60 and 28,092.80

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Solution

The fourth proportional to 38,007.20, 56,913.60 and 28,092.80 is: 42,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.20 : 56,913.60 = 28,092.80 : x
  2. Step 2: Convert to fraction form
    38,007.20/56,913.60 = 28,092.80/x
  3. Step 3: Cross multiply
    38,007.20x = 56,913.60 × 28,092.80
  4. Step 4: Simplify right side
    38,007.20x = 1,598,862,382.08
  5. Step 5: Solve for x
    x = 1,598,862,382.08/38,007.20
  6. Step 6: Final answer
    x = 42,067.36

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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.