Home / 28,591.70-39,456.96-16,016.54

Finding the Fourth Proportional to 28,591.70, 39,456.96 and 16,016.54

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Solution

The fourth proportional to 28,591.70, 39,456.96 and 16,016.54 is: 22,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591.70 : 39,456.96 = 16,016.54 : x
  2. Step 2: Convert to fraction form
    28,591.70/39,456.96 = 16,016.54/x
  3. Step 3: Cross multiply
    28,591.70x = 39,456.96 × 16,016.54
  4. Step 4: Simplify right side
    28,591.70x = 631,963,978.12
  5. Step 5: Solve for x
    x = 631,963,978.12/28,591.70
  6. Step 6: Final answer
    x = 22,103.06

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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.