Home / 28,016.24-42,023.44-11,375.86

Finding the Fourth Proportional to 28,016.24, 42,023.44 and 11,375.86

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Solution

The fourth proportional to 28,016.24, 42,023.44 and 11,375.86 is: 17,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.24 : 42,023.44 = 11,375.86 : x
  2. Step 2: Convert to fraction form
    28,016.24/42,023.44 = 11,375.86/x
  3. Step 3: Cross multiply
    28,016.24x = 42,023.44 × 11,375.86
  4. Step 4: Simplify right side
    28,016.24x = 478,052,770.16
  5. Step 5: Solve for x
    x = 478,052,770.16/28,016.24
  6. Step 6: Final answer
    x = 17,063.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.