Home / 28,936.86-43,405.82-10,216.44

Finding the Fourth Proportional to 28,936.86, 43,405.82 and 10,216.44

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Solution

The fourth proportional to 28,936.86, 43,405.82 and 10,216.44 is: 15,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.86 : 43,405.82 = 10,216.44 : x
  2. Step 2: Convert to fraction form
    28,936.86/43,405.82 = 10,216.44/x
  3. Step 3: Cross multiply
    28,936.86x = 43,405.82 × 10,216.44
  4. Step 4: Simplify right side
    28,936.86x = 443,452,904.60
  5. Step 5: Solve for x
    x = 443,452,904.60/28,936.86
  6. Step 6: Final answer
    x = 15,324.85

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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.