Home / 28,765.44-39,693.78-16,017.66

Finding the Fourth Proportional to 28,765.44, 39,693.78 and 16,017.66

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Solution

The fourth proportional to 28,765.44, 39,693.78 and 16,017.66 is: 22,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.44 : 39,693.78 = 16,017.66 : x
  2. Step 2: Convert to fraction form
    28,765.44/39,693.78 = 16,017.66/x
  3. Step 3: Cross multiply
    28,765.44x = 39,693.78 × 16,017.66
  4. Step 4: Simplify right side
    28,765.44x = 635,801,472.15
  5. Step 5: Solve for x
    x = 635,801,472.15/28,765.44
  6. Step 6: Final answer
    x = 22,102.96

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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.