Home / 27,871.53-38,469.60-17,119.01

Finding the Fourth Proportional to 27,871.53, 38,469.60 and 17,119.01

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Solution

The fourth proportional to 27,871.53, 38,469.60 and 17,119.01 is: 23,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871.53 : 38,469.60 = 17,119.01 : x
  2. Step 2: Convert to fraction form
    27,871.53/38,469.60 = 17,119.01/x
  3. Step 3: Cross multiply
    27,871.53x = 38,469.60 × 17,119.01
  4. Step 4: Simplify right side
    27,871.53x = 658,561,274.75
  5. Step 5: Solve for x
    x = 658,561,274.75/27,871.53
  6. Step 6: Final answer
    x = 23,628.46

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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.