Home / 18,977.22-28,465.50-5,829.30

Finding the Fourth Proportional to 18,977.22, 28,465.50 and 5,829.30

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Solution

The fourth proportional to 18,977.22, 28,465.50 and 5,829.30 is: 8,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.22 : 28,465.50 = 5,829.30 : x
  2. Step 2: Convert to fraction form
    18,977.22/28,465.50 = 5,829.30/x
  3. Step 3: Cross multiply
    18,977.22x = 28,465.50 × 5,829.30
  4. Step 4: Simplify right side
    18,977.22x = 165,933,939.15
  5. Step 5: Solve for x
    x = 165,933,939.15/18,977.22
  6. Step 6: Final answer
    x = 8,743.85

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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.