Home / 27,577.89-41,342.22-12,766.50

Finding the Fourth Proportional to 27,577.89, 41,342.22 and 12,766.50

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Solution

The fourth proportional to 27,577.89, 41,342.22 and 12,766.50 is: 19,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,577.89 : 41,342.22 = 12,766.50 : x
  2. Step 2: Convert to fraction form
    27,577.89/41,342.22 = 12,766.50/x
  3. Step 3: Cross multiply
    27,577.89x = 41,342.22 × 12,766.50
  4. Step 4: Simplify right side
    27,577.89x = 527,795,451.63
  5. Step 5: Solve for x
    x = 527,795,451.63/27,577.89
  6. Step 6: Final answer
    x = 19,138.36

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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.