Home / 27,940.28-38,557.76-15,193.44

Finding the Fourth Proportional to 27,940.28, 38,557.76 and 15,193.44

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Solution

The fourth proportional to 27,940.28, 38,557.76 and 15,193.44 is: 20,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.28 : 38,557.76 = 15,193.44 : x
  2. Step 2: Convert to fraction form
    27,940.28/38,557.76 = 15,193.44/x
  3. Step 3: Cross multiply
    27,940.28x = 38,557.76 × 15,193.44
  4. Step 4: Simplify right side
    27,940.28x = 585,825,013.09
  5. Step 5: Solve for x
    x = 585,825,013.09/27,940.28
  6. Step 6: Final answer
    x = 20,967.04

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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.