Home / 28,250.96-38,993.38-16,321.22

Finding the Fourth Proportional to 28,250.96, 38,993.38 and 16,321.22

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Solution

The fourth proportional to 28,250.96, 38,993.38 and 16,321.22 is: 22,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250.96 : 38,993.38 = 16,321.22 : x
  2. Step 2: Convert to fraction form
    28,250.96/38,993.38 = 16,321.22/x
  3. Step 3: Cross multiply
    28,250.96x = 38,993.38 × 16,321.22
  4. Step 4: Simplify right side
    28,250.96x = 636,419,451.92
  5. Step 5: Solve for x
    x = 636,419,451.92/28,250.96
  6. Step 6: Final answer
    x = 22,527.36

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Half scale
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Double scale
Find fourth proportional to 28,251.96, 38,994.76 and 16,322.22
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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.