Home / 27,081.25-37,371.81-15,144.48

Finding the Fourth Proportional to 27,081.25, 37,371.81 and 15,144.48

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Solution

The fourth proportional to 27,081.25, 37,371.81 and 15,144.48 is: 20,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.25 : 37,371.81 = 15,144.48 : x
  2. Step 2: Convert to fraction form
    27,081.25/37,371.81 = 15,144.48/x
  3. Step 3: Cross multiply
    27,081.25x = 37,371.81 × 15,144.48
  4. Step 4: Simplify right side
    27,081.25x = 565,976,442.25
  5. Step 5: Solve for x
    x = 565,976,442.25/27,081.25
  6. Step 6: Final answer
    x = 20,899.20

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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.