Home / 27,629.21-41,449.71-8,910.30

Finding the Fourth Proportional to 27,629.21, 41,449.71 and 8,910.30

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Solution

The fourth proportional to 27,629.21, 41,449.71 and 8,910.30 is: 13,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.21 : 41,449.71 = 8,910.30 : x
  2. Step 2: Convert to fraction form
    27,629.21/41,449.71 = 8,910.30/x
  3. Step 3: Cross multiply
    27,629.21x = 41,449.71 × 8,910.30
  4. Step 4: Simplify right side
    27,629.21x = 369,329,351.01
  5. Step 5: Solve for x
    x = 369,329,351.01/27,629.21
  6. Step 6: Final answer
    x = 13,367.35

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1.5x scale

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.