Home / 27,981.49-41,975.32-9,254.71

Finding the Fourth Proportional to 27,981.49, 41,975.32 and 9,254.71

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Solution

The fourth proportional to 27,981.49, 41,975.32 and 9,254.71 is: 13,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.49 : 41,975.32 = 9,254.71 : x
  2. Step 2: Convert to fraction form
    27,981.49/41,975.32 = 9,254.71/x
  3. Step 3: Cross multiply
    27,981.49x = 41,975.32 × 9,254.71
  4. Step 4: Simplify right side
    27,981.49x = 388,469,413.76
  5. Step 5: Solve for x
    x = 388,469,413.76/27,981.49
  6. Step 6: Final answer
    x = 13,883.09

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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.