Home / 27,714.71-41,561.27-8,990.21

Finding the Fourth Proportional to 27,714.71, 41,561.27 and 8,990.21

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Solution

The fourth proportional to 27,714.71, 41,561.27 and 8,990.21 is: 13,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,714.71 : 41,561.27 = 8,990.21 : x
  2. Step 2: Convert to fraction form
    27,714.71/41,561.27 = 8,990.21/x
  3. Step 3: Cross multiply
    27,714.71x = 41,561.27 × 8,990.21
  4. Step 4: Simplify right side
    27,714.71x = 373,644,654.69
  5. Step 5: Solve for x
    x = 373,644,654.69/27,714.71
  6. Step 6: Final answer
    x = 13,481.82

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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.