Home / 27,432.88-41,166.36-12,643.96

Finding the Fourth Proportional to 27,432.88, 41,166.36 and 12,643.96

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Solution

The fourth proportional to 27,432.88, 41,166.36 and 12,643.96 is: 18,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.88 : 41,166.36 = 12,643.96 : x
  2. Step 2: Convert to fraction form
    27,432.88/41,166.36 = 12,643.96/x
  3. Step 3: Cross multiply
    27,432.88x = 41,166.36 × 12,643.96
  4. Step 4: Simplify right side
    27,432.88x = 520,505,809.19
  5. Step 5: Solve for x
    x = 520,505,809.19/27,432.88
  6. Step 6: Final answer
    x = 18,973.79

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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.