Home / 28,974.20-43,461.30-27,015.80

Finding the Fourth Proportional to 28,974.20, 43,461.30 and 27,015.80

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Solution

The fourth proportional to 28,974.20, 43,461.30 and 27,015.80 is: 40,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.20 : 43,461.30 = 27,015.80 : x
  2. Step 2: Convert to fraction form
    28,974.20/43,461.30 = 27,015.80/x
  3. Step 3: Cross multiply
    28,974.20x = 43,461.30 × 27,015.80
  4. Step 4: Simplify right side
    28,974.20x = 1,174,141,788.54
  5. Step 5: Solve for x
    x = 1,174,141,788.54/28,974.20
  6. Step 6: Final answer
    x = 40,523.70

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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.