Home / 28,080.48-42,016.96-23,103.84

Finding the Fourth Proportional to 28,080.48, 42,016.96 and 23,103.84

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Solution

The fourth proportional to 28,080.48, 42,016.96 and 23,103.84 is: 34,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080.48 : 42,016.96 = 23,103.84 : x
  2. Step 2: Convert to fraction form
    28,080.48/42,016.96 = 23,103.84/x
  3. Step 3: Cross multiply
    28,080.48x = 42,016.96 × 23,103.84
  4. Step 4: Simplify right side
    28,080.48x = 970,753,121.13
  5. Step 5: Solve for x
    x = 970,753,121.13/28,080.48
  6. Step 6: Final answer
    x = 34,570.39

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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.