Home / 27,936.45-41,905.04-8,215.47

Finding the Fourth Proportional to 27,936.45, 41,905.04 and 8,215.47

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Solution

The fourth proportional to 27,936.45, 41,905.04 and 8,215.47 is: 12,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.45 : 41,905.04 = 8,215.47 : x
  2. Step 2: Convert to fraction form
    27,936.45/41,905.04 = 8,215.47/x
  3. Step 3: Cross multiply
    27,936.45x = 41,905.04 × 8,215.47
  4. Step 4: Simplify right side
    27,936.45x = 344,269,557.89
  5. Step 5: Solve for x
    x = 344,269,557.89/27,936.45
  6. Step 6: Final answer
    x = 12,323.31

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1.5x scale

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.