Home / 27,811.80-41,699.15-14,451.96

Finding the Fourth Proportional to 27,811.80, 41,699.15 and 14,451.96

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Solution

The fourth proportional to 27,811.80, 41,699.15 and 14,451.96 is: 21,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,811.80 : 41,699.15 = 14,451.96 : x
  2. Step 2: Convert to fraction form
    27,811.80/41,699.15 = 14,451.96/x
  3. Step 3: Cross multiply
    27,811.80x = 41,699.15 × 14,451.96
  4. Step 4: Simplify right side
    27,811.80x = 602,634,375.57
  5. Step 5: Solve for x
    x = 602,634,375.57/27,811.80
  6. Step 6: Final answer
    x = 21,668.30

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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.