Home / 27,975.39-41,969.40-9,255.38

Finding the Fourth Proportional to 27,975.39, 41,969.40 and 9,255.38

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Solution

The fourth proportional to 27,975.39, 41,969.40 and 9,255.38 is: 13,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.39 : 41,969.40 = 9,255.38 : x
  2. Step 2: Convert to fraction form
    27,975.39/41,969.40 = 9,255.38/x
  3. Step 3: Cross multiply
    27,975.39x = 41,969.40 × 9,255.38
  4. Step 4: Simplify right side
    27,975.39x = 388,442,745.37
  5. Step 5: Solve for x
    x = 388,442,745.37/27,975.39
  6. Step 6: Final answer
    x = 13,885.16

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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.