Home / 28,067.82-42,079.36-16,208.12

Finding the Fourth Proportional to 28,067.82, 42,079.36 and 16,208.12

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Solution

The fourth proportional to 28,067.82, 42,079.36 and 16,208.12 is: 24,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.82 : 42,079.36 = 16,208.12 : x
  2. Step 2: Convert to fraction form
    28,067.82/42,079.36 = 16,208.12/x
  3. Step 3: Cross multiply
    28,067.82x = 42,079.36 × 16,208.12
  4. Step 4: Simplify right side
    28,067.82x = 682,027,316.40
  5. Step 5: Solve for x
    x = 682,027,316.40/28,067.82
  6. Step 6: Final answer
    x = 24,299.26

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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.