Home / 28,453.75-39,266.27-16,517.59

Finding the Fourth Proportional to 28,453.75, 39,266.27 and 16,517.59

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Solution

The fourth proportional to 28,453.75, 39,266.27 and 16,517.59 is: 22,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.75 : 39,266.27 = 16,517.59 : x
  2. Step 2: Convert to fraction form
    28,453.75/39,266.27 = 16,517.59/x
  3. Step 3: Cross multiply
    28,453.75x = 39,266.27 × 16,517.59
  4. Step 4: Simplify right side
    28,453.75x = 648,584,029.88
  5. Step 5: Solve for x
    x = 648,584,029.88/28,453.75
  6. Step 6: Final answer
    x = 22,794.33

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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.