Home / 19,226.52-28,872.72-11,874.60

Finding the Fourth Proportional to 19,226.52, 28,872.72 and 11,874.60

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Solution

The fourth proportional to 19,226.52, 28,872.72 and 11,874.60 is: 17,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.52 : 28,872.72 = 11,874.60 : x
  2. Step 2: Convert to fraction form
    19,226.52/28,872.72 = 11,874.60/x
  3. Step 3: Cross multiply
    19,226.52x = 28,872.72 × 11,874.60
  4. Step 4: Simplify right side
    19,226.52x = 342,852,000.91
  5. Step 5: Solve for x
    x = 342,852,000.91/19,226.52
  6. Step 6: Final answer
    x = 17,832.24

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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.