Home / 28,982.52-39,995.82-16,408.44

Finding the Fourth Proportional to 28,982.52, 39,995.82 and 16,408.44

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Solution

The fourth proportional to 28,982.52, 39,995.82 and 16,408.44 is: 22,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.52 : 39,995.82 = 16,408.44 : x
  2. Step 2: Convert to fraction form
    28,982.52/39,995.82 = 16,408.44/x
  3. Step 3: Cross multiply
    28,982.52x = 39,995.82 × 16,408.44
  4. Step 4: Simplify right side
    28,982.52x = 656,269,012.72
  5. Step 5: Solve for x
    x = 656,269,012.72/28,982.52
  6. Step 6: Final answer
    x = 22,643.61

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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.