Home / 27,133.96-40,668.13-13,979.15

Finding the Fourth Proportional to 27,133.96, 40,668.13 and 13,979.15

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Solution

The fourth proportional to 27,133.96, 40,668.13 and 13,979.15 is: 20,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.96 : 40,668.13 = 13,979.15 : x
  2. Step 2: Convert to fraction form
    27,133.96/40,668.13 = 13,979.15/x
  3. Step 3: Cross multiply
    27,133.96x = 40,668.13 × 13,979.15
  4. Step 4: Simplify right side
    27,133.96x = 568,505,819.59
  5. Step 5: Solve for x
    x = 568,505,819.59/27,133.96
  6. Step 6: Final answer
    x = 20,951.82

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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.