Home / 27,548.22-38,016.39-15,613.81

Finding the Fourth Proportional to 27,548.22, 38,016.39 and 15,613.81

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Solution

The fourth proportional to 27,548.22, 38,016.39 and 15,613.81 is: 21,546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,548.22 : 38,016.39 = 15,613.81 : x
  2. Step 2: Convert to fraction form
    27,548.22/38,016.39 = 15,613.81/x
  3. Step 3: Cross multiply
    27,548.22x = 38,016.39 × 15,613.81
  4. Step 4: Simplify right side
    27,548.22x = 593,580,690.35
  5. Step 5: Solve for x
    x = 593,580,690.35/27,548.22
  6. Step 6: Final answer
    x = 21,546.97

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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.