Home / 27,143.91-40,900.77-22,321.58

Finding the Fourth Proportional to 27,143.91, 40,900.77 and 22,321.58

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Solution

The fourth proportional to 27,143.91, 40,900.77 and 22,321.58 is: 33,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.91 : 40,900.77 = 22,321.58 : x
  2. Step 2: Convert to fraction form
    27,143.91/40,900.77 = 22,321.58/x
  3. Step 3: Cross multiply
    27,143.91x = 40,900.77 × 22,321.58
  4. Step 4: Simplify right side
    27,143.91x = 912,969,605.11
  5. Step 5: Solve for x
    x = 912,969,605.11/27,143.91
  6. Step 6: Final answer
    x = 33,634.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.