Home / 27,358.74-40,997.04-21,109.38

Finding the Fourth Proportional to 27,358.74, 40,997.04 and 21,109.38

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Solution

The fourth proportional to 27,358.74, 40,997.04 and 21,109.38 is: 31,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.74 : 40,997.04 = 21,109.38 : x
  2. Step 2: Convert to fraction form
    27,358.74/40,997.04 = 21,109.38/x
  3. Step 3: Cross multiply
    27,358.74x = 40,997.04 × 21,109.38
  4. Step 4: Simplify right side
    27,358.74x = 865,422,096.24
  5. Step 5: Solve for x
    x = 865,422,096.24/27,358.74
  6. Step 6: Final answer
    x = 31,632.38

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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.