Home / 28,028.01-38,638.46-22,049.30

Finding the Fourth Proportional to 28,028.01, 38,638.46 and 22,049.30

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Solution

The fourth proportional to 28,028.01, 38,638.46 and 22,049.30 is: 30,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.01 : 38,638.46 = 22,049.30 : x
  2. Step 2: Convert to fraction form
    28,028.01/38,638.46 = 22,049.30/x
  3. Step 3: Cross multiply
    28,028.01x = 38,638.46 × 22,049.30
  4. Step 4: Simplify right side
    28,028.01x = 851,950,858.01
  5. Step 5: Solve for x
    x = 851,950,858.01/28,028.01
  6. Step 6: Final answer
    x = 30,396.41

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Half scale
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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.