Home / 27,769.76-38,322.90-15,194.54

Finding the Fourth Proportional to 27,769.76, 38,322.90 and 15,194.54

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Solution

The fourth proportional to 27,769.76, 38,322.90 and 15,194.54 is: 20,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.76 : 38,322.90 = 15,194.54 : x
  2. Step 2: Convert to fraction form
    27,769.76/38,322.90 = 15,194.54/x
  3. Step 3: Cross multiply
    27,769.76x = 38,322.90 × 15,194.54
  4. Step 4: Simplify right side
    27,769.76x = 582,298,836.97
  5. Step 5: Solve for x
    x = 582,298,836.97/27,769.76
  6. Step 6: Final answer
    x = 20,968.81

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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.