Home / 27,657.86-41,491.37-8,942.60

Finding the Fourth Proportional to 27,657.86, 41,491.37 and 8,942.60

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Solution

The fourth proportional to 27,657.86, 41,491.37 and 8,942.60 is: 13,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.86 : 41,491.37 = 8,942.60 : x
  2. Step 2: Convert to fraction form
    27,657.86/41,491.37 = 8,942.60/x
  3. Step 3: Cross multiply
    27,657.86x = 41,491.37 × 8,942.60
  4. Step 4: Simplify right side
    27,657.86x = 371,040,851.45
  5. Step 5: Solve for x
    x = 371,040,851.45/27,657.86
  6. Step 6: Final answer
    x = 13,415.39

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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.