Home / 27,134.46-40,668.88-13,979.65

Finding the Fourth Proportional to 27,134.46, 40,668.88 and 13,979.65

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Solution

The fourth proportional to 27,134.46, 40,668.88 and 13,979.65 is: 20,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.46 : 40,668.88 = 13,979.65 : x
  2. Step 2: Convert to fraction form
    27,134.46/40,668.88 = 13,979.65/x
  3. Step 3: Cross multiply
    27,134.46x = 40,668.88 × 13,979.65
  4. Step 4: Simplify right side
    27,134.46x = 568,536,708.29
  5. Step 5: Solve for x
    x = 568,536,708.29/27,134.46
  6. Step 6: Final answer
    x = 20,952.57

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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.