Home / 18,977.20-28,462.60-5,826

Finding the Fourth Proportional to 18,977.20, 28,462.60 and 5,826

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Solution

The fourth proportional to 18,977.20, 28,462.60 and 5,826 is: 8,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.20 : 28,462.60 = 5,826 : x
  2. Step 2: Convert to fraction form
    18,977.20/28,462.60 = 5,826/x
  3. Step 3: Cross multiply
    18,977.20x = 28,462.60 × 5,826
  4. Step 4: Simplify right side
    18,977.20x = 165,823,107.60
  5. Step 5: Solve for x
    x = 165,823,107.60/18,977.20
  6. Step 6: Final answer
    x = 8,738.02

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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.