Home / 27,105.57-40,623.32-21,843.07

Finding the Fourth Proportional to 27,105.57, 40,623.32 and 21,843.07

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Solution

The fourth proportional to 27,105.57, 40,623.32 and 21,843.07 is: 32,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.57 : 40,623.32 = 21,843.07 : x
  2. Step 2: Convert to fraction form
    27,105.57/40,623.32 = 21,843.07/x
  3. Step 3: Cross multiply
    27,105.57x = 40,623.32 × 21,843.07
  4. Step 4: Simplify right side
    27,105.57x = 887,337,975.44
  5. Step 5: Solve for x
    x = 887,337,975.44/27,105.57
  6. Step 6: Final answer
    x = 32,736.37

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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.