Home / 27,006.80-37,272.78-15,673.86

Finding the Fourth Proportional to 27,006.80, 37,272.78 and 15,673.86

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Solution

The fourth proportional to 27,006.80, 37,272.78 and 15,673.86 is: 21,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,006.80 : 37,272.78 = 15,673.86 : x
  2. Step 2: Convert to fraction form
    27,006.80/37,272.78 = 15,673.86/x
  3. Step 3: Cross multiply
    27,006.80x = 37,272.78 × 15,673.86
  4. Step 4: Simplify right side
    27,006.80x = 584,208,335.53
  5. Step 5: Solve for x
    x = 584,208,335.53/27,006.80
  6. Step 6: Final answer
    x = 21,631.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.