Home / 27,931.44-41,899.92-8,210.04

Finding the Fourth Proportional to 27,931.44, 41,899.92 and 8,210.04

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Solution

The fourth proportional to 27,931.44, 41,899.92 and 8,210.04 is: 12,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.44 : 41,899.92 = 8,210.04 : x
  2. Step 2: Convert to fraction form
    27,931.44/41,899.92 = 8,210.04/x
  3. Step 3: Cross multiply
    27,931.44x = 41,899.92 × 8,210.04
  4. Step 4: Simplify right side
    27,931.44x = 344,000,019.20
  5. Step 5: Solve for x
    x = 344,000,019.20/27,931.44
  6. Step 6: Final answer
    x = 12,315.87

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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.