Home / 27,864.02-41,791.71-8,137.28

Finding the Fourth Proportional to 27,864.02, 41,791.71 and 8,137.28

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Solution

The fourth proportional to 27,864.02, 41,791.71 and 8,137.28 is: 12,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.02 : 41,791.71 = 8,137.28 : x
  2. Step 2: Convert to fraction form
    27,864.02/41,791.71 = 8,137.28/x
  3. Step 3: Cross multiply
    27,864.02x = 41,791.71 × 8,137.28
  4. Step 4: Simplify right side
    27,864.02x = 340,070,845.95
  5. Step 5: Solve for x
    x = 340,070,845.95/27,864.02
  6. Step 6: Final answer
    x = 12,204.66

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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.