Home / 27,521.09-37,979.09-15,584.42

Finding the Fourth Proportional to 27,521.09, 37,979.09 and 15,584.42

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Solution

The fourth proportional to 27,521.09, 37,979.09 and 15,584.42 is: 21,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.09 : 37,979.09 = 15,584.42 : x
  2. Step 2: Convert to fraction form
    27,521.09/37,979.09 = 15,584.42/x
  3. Step 3: Cross multiply
    27,521.09x = 37,979.09 × 15,584.42
  4. Step 4: Simplify right side
    27,521.09x = 591,882,033.79
  5. Step 5: Solve for x
    x = 591,882,033.79/27,521.09
  6. Step 6: Final answer
    x = 21,506.49

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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.