Home / 27,385.17-41,077.89-8,664.45

Finding the Fourth Proportional to 27,385.17, 41,077.89 and 8,664.45

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Solution

The fourth proportional to 27,385.17, 41,077.89 and 8,664.45 is: 12,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,385.17 : 41,077.89 = 8,664.45 : x
  2. Step 2: Convert to fraction form
    27,385.17/41,077.89 = 8,664.45/x
  3. Step 3: Cross multiply
    27,385.17x = 41,077.89 × 8,664.45
  4. Step 4: Simplify right side
    27,385.17x = 355,917,324.01
  5. Step 5: Solve for x
    x = 355,917,324.01/27,385.17
  6. Step 6: Final answer
    x = 12,996.72

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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.