Home / 28,249.36-42,415.68-15,793.80

Finding the Fourth Proportional to 28,249.36, 42,415.68 and 15,793.80

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Solution

The fourth proportional to 28,249.36, 42,415.68 and 15,793.80 is: 23,713.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.36 : 42,415.68 = 15,793.80 : x
  2. Step 2: Convert to fraction form
    28,249.36/42,415.68 = 15,793.80/x
  3. Step 3: Cross multiply
    28,249.36x = 42,415.68 × 15,793.80
  4. Step 4: Simplify right side
    28,249.36x = 669,904,766.78
  5. Step 5: Solve for x
    x = 669,904,766.78/28,249.36
  6. Step 6: Final answer
    x = 23,713.98

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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.