Home / 27,910.80-41,861.40-10,371.60

Finding the Fourth Proportional to 27,910.80, 41,861.40 and 10,371.60

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Solution

The fourth proportional to 27,910.80, 41,861.40 and 10,371.60 is: 15,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.80 : 41,861.40 = 10,371.60 : x
  2. Step 2: Convert to fraction form
    27,910.80/41,861.40 = 10,371.60/x
  3. Step 3: Cross multiply
    27,910.80x = 41,861.40 × 10,371.60
  4. Step 4: Simplify right side
    27,910.80x = 434,169,696.24
  5. Step 5: Solve for x
    x = 434,169,696.24/27,910.80
  6. Step 6: Final answer
    x = 15,555.62

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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.