Home / 27,989.35-41,975.39-9,265.51

Finding the Fourth Proportional to 27,989.35, 41,975.39 and 9,265.51

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Solution

The fourth proportional to 27,989.35, 41,975.39 and 9,265.51 is: 13,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.35 : 41,975.39 = 9,265.51 : x
  2. Step 2: Convert to fraction form
    27,989.35/41,975.39 = 9,265.51/x
  3. Step 3: Cross multiply
    27,989.35x = 41,975.39 × 9,265.51
  4. Step 4: Simplify right side
    27,989.35x = 388,923,563.43
  5. Step 5: Solve for x
    x = 388,923,563.43/27,989.35
  6. Step 6: Final answer
    x = 13,895.41

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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.