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Finding the Fourth Proportional to 19,115.92, 28,622.04 and 16,604.92

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Solution

The fourth proportional to 19,115.92, 28,622.04 and 16,604.92 is: 24,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.92 : 28,622.04 = 16,604.92 : x
  2. Step 2: Convert to fraction form
    19,115.92/28,622.04 = 16,604.92/x
  3. Step 3: Cross multiply
    19,115.92x = 28,622.04 × 16,604.92
  4. Step 4: Simplify right side
    19,115.92x = 475,266,684.44
  5. Step 5: Solve for x
    x = 475,266,684.44/19,115.92
  6. Step 6: Final answer
    x = 24,862.35

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1.5x scale

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.