Home / 27,996.38-38,636.82-18,566.76

Finding the Fourth Proportional to 27,996.38, 38,636.82 and 18,566.76

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Solution

The fourth proportional to 27,996.38, 38,636.82 and 18,566.76 is: 25,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.38 : 38,636.82 = 18,566.76 : x
  2. Step 2: Convert to fraction form
    27,996.38/38,636.82 = 18,566.76/x
  3. Step 3: Cross multiply
    27,996.38x = 38,636.82 × 18,566.76
  4. Step 4: Simplify right side
    27,996.38x = 717,360,564.10
  5. Step 5: Solve for x
    x = 717,360,564.10/27,996.38
  6. Step 6: Final answer
    x = 25,623.34

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1.5x scale

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.