Home / 27,629.28-41,431.74-7,903.35

Finding the Fourth Proportional to 27,629.28, 41,431.74 and 7,903.35

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Solution

The fourth proportional to 27,629.28, 41,431.74 and 7,903.35 is: 11,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.28 : 41,431.74 = 7,903.35 : x
  2. Step 2: Convert to fraction form
    27,629.28/41,431.74 = 7,903.35/x
  3. Step 3: Cross multiply
    27,629.28x = 41,431.74 × 7,903.35
  4. Step 4: Simplify right side
    27,629.28x = 327,449,542.33
  5. Step 5: Solve for x
    x = 327,449,542.33/27,629.28
  6. Step 6: Final answer
    x = 11,851.54

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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.