Home / 27,934.84-38,517.42-18,975.16

Finding the Fourth Proportional to 27,934.84, 38,517.42 and 18,975.16

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Solution

The fourth proportional to 27,934.84, 38,517.42 and 18,975.16 is: 26,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.84 : 38,517.42 = 18,975.16 : x
  2. Step 2: Convert to fraction form
    27,934.84/38,517.42 = 18,975.16/x
  3. Step 3: Cross multiply
    27,934.84x = 38,517.42 × 18,975.16
  4. Step 4: Simplify right side
    27,934.84x = 730,874,207.29
  5. Step 5: Solve for x
    x = 730,874,207.29/27,934.84
  6. Step 6: Final answer
    x = 26,163.54

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1.5x scale

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.