Home / 27,836.35-38,414.18-15,089.65

Finding the Fourth Proportional to 27,836.35, 38,414.18 and 15,089.65

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Solution

The fourth proportional to 27,836.35, 38,414.18 and 15,089.65 is: 20,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.35 : 38,414.18 = 15,089.65 : x
  2. Step 2: Convert to fraction form
    27,836.35/38,414.18 = 15,089.65/x
  3. Step 3: Cross multiply
    27,836.35x = 38,414.18 × 15,089.65
  4. Step 4: Simplify right side
    27,836.35x = 579,656,531.24
  5. Step 5: Solve for x
    x = 579,656,531.24/27,836.35
  6. Step 6: Final answer
    x = 20,823.73

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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.