Home / 19,226.10-28,842.22-7,379.39

Finding the Fourth Proportional to 19,226.10, 28,842.22 and 7,379.39

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Solution

The fourth proportional to 19,226.10, 28,842.22 and 7,379.39 is: 11,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.10 : 28,842.22 = 7,379.39 : x
  2. Step 2: Convert to fraction form
    19,226.10/28,842.22 = 7,379.39/x
  3. Step 3: Cross multiply
    19,226.10x = 28,842.22 × 7,379.39
  4. Step 4: Simplify right side
    19,226.10x = 212,837,989.85
  5. Step 5: Solve for x
    x = 212,837,989.85/19,226.10
  6. Step 6: Final answer
    x = 11,070.26

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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.