Home / 27,769.42-38,321.76-15,194.17

Finding the Fourth Proportional to 27,769.42, 38,321.76 and 15,194.17

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Solution

The fourth proportional to 27,769.42, 38,321.76 and 15,194.17 is: 20,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.42 : 38,321.76 = 15,194.17 : x
  2. Step 2: Convert to fraction form
    27,769.42/38,321.76 = 15,194.17/x
  3. Step 3: Cross multiply
    27,769.42x = 38,321.76 × 15,194.17
  4. Step 4: Simplify right side
    27,769.42x = 582,267,336.14
  5. Step 5: Solve for x
    x = 582,267,336.14/27,769.42
  6. Step 6: Final answer
    x = 20,967.93

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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.