Home / 27,405.97-41,113.95-8,690.73

Finding the Fourth Proportional to 27,405.97, 41,113.95 and 8,690.73

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Solution

The fourth proportional to 27,405.97, 41,113.95 and 8,690.73 is: 13,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.97 : 41,113.95 = 8,690.73 : x
  2. Step 2: Convert to fraction form
    27,405.97/41,113.95 = 8,690.73/x
  3. Step 3: Cross multiply
    27,405.97x = 41,113.95 × 8,690.73
  4. Step 4: Simplify right side
    27,405.97x = 357,310,238.68
  5. Step 5: Solve for x
    x = 357,310,238.68/27,405.97
  6. Step 6: Final answer
    x = 13,037.68

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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.