Home / 28,164.97-38,876.30-16,236.24

Finding the Fourth Proportional to 28,164.97, 38,876.30 and 16,236.24

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Solution

The fourth proportional to 28,164.97, 38,876.30 and 16,236.24 is: 22,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.97 : 38,876.30 = 16,236.24 : x
  2. Step 2: Convert to fraction form
    28,164.97/38,876.30 = 16,236.24/x
  3. Step 3: Cross multiply
    28,164.97x = 38,876.30 × 16,236.24
  4. Step 4: Simplify right side
    28,164.97x = 631,204,661.55
  5. Step 5: Solve for x
    x = 631,204,661.55/28,164.97
  6. Step 6: Final answer
    x = 22,410.98

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Half scale
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Double scale
Find fourth proportional to 28,165.97, 38,877.68 and 16,237.24
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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.