Home / 27,920.85-41,851.18-11,272.30

Finding the Fourth Proportional to 27,920.85, 41,851.18 and 11,272.30

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Solution

The fourth proportional to 27,920.85, 41,851.18 and 11,272.30 is: 16,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.85 : 41,851.18 = 11,272.30 : x
  2. Step 2: Convert to fraction form
    27,920.85/41,851.18 = 11,272.30/x
  3. Step 3: Cross multiply
    27,920.85x = 41,851.18 × 11,272.30
  4. Step 4: Simplify right side
    27,920.85x = 471,759,056.31
  5. Step 5: Solve for x
    x = 471,759,056.31/27,920.85
  6. Step 6: Final answer
    x = 16,896.30

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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.