Home / 28,804.98-43,181.82-11,287.02

Finding the Fourth Proportional to 28,804.98, 43,181.82 and 11,287.02

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Solution

The fourth proportional to 28,804.98, 43,181.82 and 11,287.02 is: 16,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.98 : 43,181.82 = 11,287.02 : x
  2. Step 2: Convert to fraction form
    28,804.98/43,181.82 = 11,287.02/x
  3. Step 3: Cross multiply
    28,804.98x = 43,181.82 × 11,287.02
  4. Step 4: Simplify right side
    28,804.98x = 487,394,065.98
  5. Step 5: Solve for x
    x = 487,394,065.98/28,804.98
  6. Step 6: Final answer
    x = 16,920.48

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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.