Home / 28,446.20-42,669.30-16,004.60

Finding the Fourth Proportional to 28,446.20, 42,669.30 and 16,004.60

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Solution

The fourth proportional to 28,446.20, 42,669.30 and 16,004.60 is: 24,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.20 : 42,669.30 = 16,004.60 : x
  2. Step 2: Convert to fraction form
    28,446.20/42,669.30 = 16,004.60/x
  3. Step 3: Cross multiply
    28,446.20x = 42,669.30 × 16,004.60
  4. Step 4: Simplify right side
    28,446.20x = 682,905,078.78
  5. Step 5: Solve for x
    x = 682,905,078.78/28,446.20
  6. Step 6: Final answer
    x = 24,006.90

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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.