Home / 27,821.70-41,732.51-18,479.94

Finding the Fourth Proportional to 27,821.70, 41,732.51 and 18,479.94

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Solution

The fourth proportional to 27,821.70, 41,732.51 and 18,479.94 is: 27,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821.70 : 41,732.51 = 18,479.94 : x
  2. Step 2: Convert to fraction form
    27,821.70/41,732.51 = 18,479.94/x
  3. Step 3: Cross multiply
    27,821.70x = 41,732.51 × 18,479.94
  4. Step 4: Simplify right side
    27,821.70x = 771,214,188.45
  5. Step 5: Solve for x
    x = 771,214,188.45/27,821.70
  6. Step 6: Final answer
    x = 27,719.88

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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.