Home / 20,080.06-27,709.72-11,582.54

Finding the Fourth Proportional to 20,080.06, 27,709.72 and 11,582.54

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Solution

The fourth proportional to 20,080.06, 27,709.72 and 11,582.54 is: 15,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.06 : 27,709.72 = 11,582.54 : x
  2. Step 2: Convert to fraction form
    20,080.06/27,709.72 = 11,582.54/x
  3. Step 3: Cross multiply
    20,080.06x = 27,709.72 × 11,582.54
  4. Step 4: Simplify right side
    20,080.06x = 320,948,940.29
  5. Step 5: Solve for x
    x = 320,948,940.29/20,080.06
  6. Step 6: Final answer
    x = 15,983.47

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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.