Home / 27,772.24-41,668.62-12,985.96

Finding the Fourth Proportional to 27,772.24, 41,668.62 and 12,985.96

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Solution

The fourth proportional to 27,772.24, 41,668.62 and 12,985.96 is: 19,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,772.24 : 41,668.62 = 12,985.96 : x
  2. Step 2: Convert to fraction form
    27,772.24/41,668.62 = 12,985.96/x
  3. Step 3: Cross multiply
    27,772.24x = 41,668.62 × 12,985.96
  4. Step 4: Simplify right side
    27,772.24x = 541,107,032.58
  5. Step 5: Solve for x
    x = 541,107,032.58/27,772.24
  6. Step 6: Final answer
    x = 19,483.74

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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.