Home / 27,668.52-41,518.98-10,139.58

Finding the Fourth Proportional to 27,668.52, 41,518.98 and 10,139.58

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Solution

The fourth proportional to 27,668.52, 41,518.98 and 10,139.58 is: 15,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668.52 : 41,518.98 = 10,139.58 : x
  2. Step 2: Convert to fraction form
    27,668.52/41,518.98 = 10,139.58/x
  3. Step 3: Cross multiply
    27,668.52x = 41,518.98 × 10,139.58
  4. Step 4: Simplify right side
    27,668.52x = 420,985,019.23
  5. Step 5: Solve for x
    x = 420,985,019.23/27,668.52
  6. Step 6: Final answer
    x = 15,215.31

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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.