Home / 27,546.81-38,013.09-15,609.89

Finding the Fourth Proportional to 27,546.81, 38,013.09 and 15,609.89

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Solution

The fourth proportional to 27,546.81, 38,013.09 and 15,609.89 is: 21,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,546.81 : 38,013.09 = 15,609.89 : x
  2. Step 2: Convert to fraction form
    27,546.81/38,013.09 = 15,609.89/x
  3. Step 3: Cross multiply
    27,546.81x = 38,013.09 × 15,609.89
  4. Step 4: Simplify right side
    27,546.81x = 593,379,963.39
  5. Step 5: Solve for x
    x = 593,379,963.39/27,546.81
  6. Step 6: Final answer
    x = 21,540.79

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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.