Home / 28,832.78-39,788.46-16,086.35

Finding the Fourth Proportional to 28,832.78, 39,788.46 and 16,086.35

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Solution

The fourth proportional to 28,832.78, 39,788.46 and 16,086.35 is: 22,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832.78 : 39,788.46 = 16,086.35 : x
  2. Step 2: Convert to fraction form
    28,832.78/39,788.46 = 16,086.35/x
  3. Step 3: Cross multiply
    28,832.78x = 39,788.46 × 16,086.35
  4. Step 4: Simplify right side
    28,832.78x = 640,050,894.58
  5. Step 5: Solve for x
    x = 640,050,894.58/28,832.78
  6. Step 6: Final answer
    x = 22,198.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.