Home / 27,546.72-41,335.07-21,318.89

Finding the Fourth Proportional to 27,546.72, 41,335.07 and 21,318.89

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Solution

The fourth proportional to 27,546.72, 41,335.07 and 21,318.89 is: 31,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,546.72 : 41,335.07 = 21,318.89 : x
  2. Step 2: Convert to fraction form
    27,546.72/41,335.07 = 21,318.89/x
  3. Step 3: Cross multiply
    27,546.72x = 41,335.07 × 21,318.89
  4. Step 4: Simplify right side
    27,546.72x = 881,217,913.88
  5. Step 5: Solve for x
    x = 881,217,913.88/27,546.72
  6. Step 6: Final answer
    x = 31,989.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.