Home / 28,604.20-42,906.30-26,530.60

Finding the Fourth Proportional to 28,604.20, 42,906.30 and 26,530.60

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Solution

The fourth proportional to 28,604.20, 42,906.30 and 26,530.60 is: 39,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.20 : 42,906.30 = 26,530.60 : x
  2. Step 2: Convert to fraction form
    28,604.20/42,906.30 = 26,530.60/x
  3. Step 3: Cross multiply
    28,604.20x = 42,906.30 × 26,530.60
  4. Step 4: Simplify right side
    28,604.20x = 1,138,329,882.78
  5. Step 5: Solve for x
    x = 1,138,329,882.78/28,604.20
  6. Step 6: Final answer
    x = 39,795.90

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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.