Home / 27,765.12-41,639.84-9,993.18

Finding the Fourth Proportional to 27,765.12, 41,639.84 and 9,993.18

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Solution

The fourth proportional to 27,765.12, 41,639.84 and 9,993.18 is: 14,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.12 : 41,639.84 = 9,993.18 : x
  2. Step 2: Convert to fraction form
    27,765.12/41,639.84 = 9,993.18/x
  3. Step 3: Cross multiply
    27,765.12x = 41,639.84 × 9,993.18
  4. Step 4: Simplify right side
    27,765.12x = 416,114,416.29
  5. Step 5: Solve for x
    x = 416,114,416.29/27,765.12
  6. Step 6: Final answer
    x = 14,986.95

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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.