Home / 27,982.80-41,969.40-10,443.60

Finding the Fourth Proportional to 27,982.80, 41,969.40 and 10,443.60

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Solution

The fourth proportional to 27,982.80, 41,969.40 and 10,443.60 is: 15,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.80 : 41,969.40 = 10,443.60 : x
  2. Step 2: Convert to fraction form
    27,982.80/41,969.40 = 10,443.60/x
  3. Step 3: Cross multiply
    27,982.80x = 41,969.40 × 10,443.60
  4. Step 4: Simplify right side
    27,982.80x = 438,311,625.84
  5. Step 5: Solve for x
    x = 438,311,625.84/27,982.80
  6. Step 6: Final answer
    x = 15,663.61

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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.