Home / 20,135.73-30,067.98-16,445.28

Finding the Fourth Proportional to 20,135.73, 30,067.98 and 16,445.28

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Solution

The fourth proportional to 20,135.73, 30,067.98 and 16,445.28 is: 24,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135.73 : 30,067.98 = 16,445.28 : x
  2. Step 2: Convert to fraction form
    20,135.73/30,067.98 = 16,445.28/x
  3. Step 3: Cross multiply
    20,135.73x = 30,067.98 × 16,445.28
  4. Step 4: Simplify right side
    20,135.73x = 494,476,350.13
  5. Step 5: Solve for x
    x = 494,476,350.13/20,135.73
  6. Step 6: Final answer
    x = 24,557.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.