Home / 27,932.91-38,548.07-15,186.81

Finding the Fourth Proportional to 27,932.91, 38,548.07 and 15,186.81

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Solution

The fourth proportional to 27,932.91, 38,548.07 and 15,186.81 is: 20,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.91 : 38,548.07 = 15,186.81 : x
  2. Step 2: Convert to fraction form
    27,932.91/38,548.07 = 15,186.81/x
  3. Step 3: Cross multiply
    27,932.91x = 38,548.07 × 15,186.81
  4. Step 4: Simplify right side
    27,932.91x = 585,422,214.96
  5. Step 5: Solve for x
    x = 585,422,214.96/27,932.91
  6. Step 6: Final answer
    x = 20,958.15

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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.