Home / 27,942.03-38,559.31-15,195.06

Finding the Fourth Proportional to 27,942.03, 38,559.31 and 15,195.06

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Solution

The fourth proportional to 27,942.03, 38,559.31 and 15,195.06 is: 20,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.03 : 38,559.31 = 15,195.06 : x
  2. Step 2: Convert to fraction form
    27,942.03/38,559.31 = 15,195.06/x
  3. Step 3: Cross multiply
    27,942.03x = 38,559.31 × 15,195.06
  4. Step 4: Simplify right side
    27,942.03x = 585,910,991.02
  5. Step 5: Solve for x
    x = 585,910,991.02/27,942.03
  6. Step 6: Final answer
    x = 20,968.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.