Home / 27,479.72-37,908.06-17,391.16

Finding the Fourth Proportional to 27,479.72, 37,908.06 and 17,391.16

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Solution

The fourth proportional to 27,479.72, 37,908.06 and 17,391.16 is: 23,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.72 : 37,908.06 = 17,391.16 : x
  2. Step 2: Convert to fraction form
    27,479.72/37,908.06 = 17,391.16/x
  3. Step 3: Cross multiply
    27,479.72x = 37,908.06 × 17,391.16
  4. Step 4: Simplify right side
    27,479.72x = 659,265,136.75
  5. Step 5: Solve for x
    x = 659,265,136.75/27,479.72
  6. Step 6: Final answer
    x = 23,990.97

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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.