Home / 27,358.23-40,996.29-21,108.87

Finding the Fourth Proportional to 27,358.23, 40,996.29 and 21,108.87

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Solution

The fourth proportional to 27,358.23, 40,996.29 and 21,108.87 is: 31,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.23 : 40,996.29 = 21,108.87 : x
  2. Step 2: Convert to fraction form
    27,358.23/40,996.29 = 21,108.87/x
  3. Step 3: Cross multiply
    27,358.23x = 40,996.29 × 21,108.87
  4. Step 4: Simplify right side
    27,358.23x = 865,385,356.09
  5. Step 5: Solve for x
    x = 865,385,356.09/27,358.23
  6. Step 6: Final answer
    x = 31,631.63

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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.