Home / 27,845.31-41,694.08-21,780.93

Finding the Fourth Proportional to 27,845.31, 41,694.08 and 21,780.93

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Solution

The fourth proportional to 27,845.31, 41,694.08 and 21,780.93 is: 32,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.31 : 41,694.08 = 21,780.93 : x
  2. Step 2: Convert to fraction form
    27,845.31/41,694.08 = 21,780.93/x
  3. Step 3: Cross multiply
    27,845.31x = 41,694.08 × 21,780.93
  4. Step 4: Simplify right side
    27,845.31x = 908,135,728.99
  5. Step 5: Solve for x
    x = 908,135,728.99/27,845.31
  6. Step 6: Final answer
    x = 32,613.60

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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.