Home / 27,621.90-41,453.91-20,245.23

Finding the Fourth Proportional to 27,621.90, 41,453.91 and 20,245.23

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Solution

The fourth proportional to 27,621.90, 41,453.91 and 20,245.23 is: 30,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.90 : 41,453.91 = 20,245.23 : x
  2. Step 2: Convert to fraction form
    27,621.90/41,453.91 = 20,245.23/x
  3. Step 3: Cross multiply
    27,621.90x = 41,453.91 × 20,245.23
  4. Step 4: Simplify right side
    27,621.90x = 839,243,942.35
  5. Step 5: Solve for x
    x = 839,243,942.35/27,621.90
  6. Step 6: Final answer
    x = 30,383.28

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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.