Home / 28,907.34-43,367.58-12,267.96

Finding the Fourth Proportional to 28,907.34, 43,367.58 and 12,267.96

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Solution

The fourth proportional to 28,907.34, 43,367.58 and 12,267.96 is: 18,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.34 : 43,367.58 = 12,267.96 : x
  2. Step 2: Convert to fraction form
    28,907.34/43,367.58 = 12,267.96/x
  3. Step 3: Cross multiply
    28,907.34x = 43,367.58 × 12,267.96
  4. Step 4: Simplify right side
    28,907.34x = 532,031,736.74
  5. Step 5: Solve for x
    x = 532,031,736.74/28,907.34
  6. Step 6: Final answer
    x = 18,404.73

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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.