Home / 27,777.86-38,331.97-15,200.18

Finding the Fourth Proportional to 27,777.86, 38,331.97 and 15,200.18

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Solution

The fourth proportional to 27,777.86, 38,331.97 and 15,200.18 is: 20,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.86 : 38,331.97 = 15,200.18 : x
  2. Step 2: Convert to fraction form
    27,777.86/38,331.97 = 15,200.18/x
  3. Step 3: Cross multiply
    27,777.86x = 38,331.97 × 15,200.18
  4. Step 4: Simplify right side
    27,777.86x = 582,652,843.75
  5. Step 5: Solve for x
    x = 582,652,843.75/27,777.86
  6. Step 6: Final answer
    x = 20,975.44

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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.