Home / 28,909.22-43,365.94-12,267.36

Finding the Fourth Proportional to 28,909.22, 43,365.94 and 12,267.36

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Solution

The fourth proportional to 28,909.22, 43,365.94 and 12,267.36 is: 18,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.22 : 43,365.94 = 12,267.36 : x
  2. Step 2: Convert to fraction form
    28,909.22/43,365.94 = 12,267.36/x
  3. Step 3: Cross multiply
    28,909.22x = 43,365.94 × 12,267.36
  4. Step 4: Simplify right side
    28,909.22x = 531,985,597.72
  5. Step 5: Solve for x
    x = 531,985,597.72/28,909.22
  6. Step 6: Final answer
    x = 18,401.94

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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.