Home / 27,176.65-40,735.04-20,491.70

Finding the Fourth Proportional to 27,176.65, 40,735.04 and 20,491.70

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Solution

The fourth proportional to 27,176.65, 40,735.04 and 20,491.70 is: 30,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,176.65 : 40,735.04 = 20,491.70 : x
  2. Step 2: Convert to fraction form
    27,176.65/40,735.04 = 20,491.70/x
  3. Step 3: Cross multiply
    27,176.65x = 40,735.04 × 20,491.70
  4. Step 4: Simplify right side
    27,176.65x = 834,729,913.03
  5. Step 5: Solve for x
    x = 834,729,913.03/27,176.65
  6. Step 6: Final answer
    x = 30,714.97

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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.