Home / 28,835.78-43,249.95-9,116.33

Finding the Fourth Proportional to 28,835.78, 43,249.95 and 9,116.33

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Solution

The fourth proportional to 28,835.78, 43,249.95 and 9,116.33 is: 13,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.78 : 43,249.95 = 9,116.33 : x
  2. Step 2: Convert to fraction form
    28,835.78/43,249.95 = 9,116.33/x
  3. Step 3: Cross multiply
    28,835.78x = 43,249.95 × 9,116.33
  4. Step 4: Simplify right side
    28,835.78x = 394,280,600.43
  5. Step 5: Solve for x
    x = 394,280,600.43/28,835.78
  6. Step 6: Final answer
    x = 13,673.31

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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.