Home / 27,734.12-38,273.07-15,797.42

Finding the Fourth Proportional to 27,734.12, 38,273.07 and 15,797.42

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Solution

The fourth proportional to 27,734.12, 38,273.07 and 15,797.42 is: 21,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.12 : 38,273.07 = 15,797.42 : x
  2. Step 2: Convert to fraction form
    27,734.12/38,273.07 = 15,797.42/x
  3. Step 3: Cross multiply
    27,734.12x = 38,273.07 × 15,797.42
  4. Step 4: Simplify right side
    27,734.12x = 604,615,761.48
  5. Step 5: Solve for x
    x = 604,615,761.48/27,734.12
  6. Step 6: Final answer
    x = 21,800.43

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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.