Home / 27,651.90-38,152.77-16,321.62

Finding the Fourth Proportional to 27,651.90, 38,152.77 and 16,321.62

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Solution

The fourth proportional to 27,651.90, 38,152.77 and 16,321.62 is: 22,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.90 : 38,152.77 = 16,321.62 : x
  2. Step 2: Convert to fraction form
    27,651.90/38,152.77 = 16,321.62/x
  3. Step 3: Cross multiply
    27,651.90x = 38,152.77 × 16,321.62
  4. Step 4: Simplify right side
    27,651.90x = 622,715,013.89
  5. Step 5: Solve for x
    x = 622,715,013.89/27,651.90
  6. Step 6: Final answer
    x = 22,519.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.