Home / 28,706.51-43,067.93-11,181.35

Finding the Fourth Proportional to 28,706.51, 43,067.93 and 11,181.35

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Solution

The fourth proportional to 28,706.51, 43,067.93 and 11,181.35 is: 16,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.51 : 43,067.93 = 11,181.35 : x
  2. Step 2: Convert to fraction form
    28,706.51/43,067.93 = 11,181.35/x
  3. Step 3: Cross multiply
    28,706.51x = 43,067.93 × 11,181.35
  4. Step 4: Simplify right side
    28,706.51x = 481,557,599.11
  5. Step 5: Solve for x
    x = 481,557,599.11/28,706.51
  6. Step 6: Final answer
    x = 16,775.21

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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.