Home / 27,979.39-41,925.25-15,491.71

Finding the Fourth Proportional to 27,979.39, 41,925.25 and 15,491.71

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Solution

The fourth proportional to 27,979.39, 41,925.25 and 15,491.71 is: 23,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.39 : 41,925.25 = 15,491.71 : x
  2. Step 2: Convert to fraction form
    27,979.39/41,925.25 = 15,491.71/x
  3. Step 3: Cross multiply
    27,979.39x = 41,925.25 × 15,491.71
  4. Step 4: Simplify right side
    27,979.39x = 649,493,814.68
  5. Step 5: Solve for x
    x = 649,493,814.68/27,979.39
  6. Step 6: Final answer
    x = 23,213.29

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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.