Home / 27,954.27-41,830.91-20,540.31

Finding the Fourth Proportional to 27,954.27, 41,830.91 and 20,540.31

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Solution

The fourth proportional to 27,954.27, 41,830.91 and 20,540.31 is: 30,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.27 : 41,830.91 = 20,540.31 : x
  2. Step 2: Convert to fraction form
    27,954.27/41,830.91 = 20,540.31/x
  3. Step 3: Cross multiply
    27,954.27x = 41,830.91 × 20,540.31
  4. Step 4: Simplify right side
    27,954.27x = 859,219,756.28
  5. Step 5: Solve for x
    x = 859,219,756.28/27,954.27
  6. Step 6: Final answer
    x = 30,736.62

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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.