Home / 27,311.88-37,668.80-17,878.62

Finding the Fourth Proportional to 27,311.88, 37,668.80 and 17,878.62

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Solution

The fourth proportional to 27,311.88, 37,668.80 and 17,878.62 is: 24,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.88 : 37,668.80 = 17,878.62 : x
  2. Step 2: Convert to fraction form
    27,311.88/37,668.80 = 17,878.62/x
  3. Step 3: Cross multiply
    27,311.88x = 37,668.80 × 17,878.62
  4. Step 4: Simplify right side
    27,311.88x = 673,466,161.06
  5. Step 5: Solve for x
    x = 673,466,161.06/27,311.88
  6. Step 6: Final answer
    x = 24,658.36

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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.