Home / 28,380.69-42,556.44-15,244.11

Finding the Fourth Proportional to 28,380.69, 42,556.44 and 15,244.11

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Solution

The fourth proportional to 28,380.69, 42,556.44 and 15,244.11 is: 22,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,380.69 : 42,556.44 = 15,244.11 : x
  2. Step 2: Convert to fraction form
    28,380.69/42,556.44 = 15,244.11/x
  3. Step 3: Cross multiply
    28,380.69x = 42,556.44 × 15,244.11
  4. Step 4: Simplify right side
    28,380.69x = 648,735,109.73
  5. Step 5: Solve for x
    x = 648,735,109.73/28,380.69
  6. Step 6: Final answer
    x = 22,858.33

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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.