Home / 28,540.14-42,822.44-11,022.26

Finding the Fourth Proportional to 28,540.14, 42,822.44 and 11,022.26

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Solution

The fourth proportional to 28,540.14, 42,822.44 and 11,022.26 is: 16,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.14 : 42,822.44 = 11,022.26 : x
  2. Step 2: Convert to fraction form
    28,540.14/42,822.44 = 11,022.26/x
  3. Step 3: Cross multiply
    28,540.14x = 42,822.44 × 11,022.26
  4. Step 4: Simplify right side
    28,540.14x = 472,000,067.51
  5. Step 5: Solve for x
    x = 472,000,067.51/28,540.14
  6. Step 6: Final answer
    x = 16,538.11

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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.