Home / 27,979.74-41,968.25-10,448.20

Finding the Fourth Proportional to 27,979.74, 41,968.25 and 10,448.20

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Solution

The fourth proportional to 27,979.74, 41,968.25 and 10,448.20 is: 15,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.74 : 41,968.25 = 10,448.20 : x
  2. Step 2: Convert to fraction form
    27,979.74/41,968.25 = 10,448.20/x
  3. Step 3: Cross multiply
    27,979.74x = 41,968.25 × 10,448.20
  4. Step 4: Simplify right side
    27,979.74x = 438,492,669.65
  5. Step 5: Solve for x
    x = 438,492,669.65/27,979.74
  6. Step 6: Final answer
    x = 15,671.79

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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.