Home / 27,727.29-38,265.02-15,791.73

Finding the Fourth Proportional to 27,727.29, 38,265.02 and 15,791.73

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Solution

The fourth proportional to 27,727.29, 38,265.02 and 15,791.73 is: 21,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,727.29 : 38,265.02 = 15,791.73 : x
  2. Step 2: Convert to fraction form
    27,727.29/38,265.02 = 15,791.73/x
  3. Step 3: Cross multiply
    27,727.29x = 38,265.02 × 15,791.73
  4. Step 4: Simplify right side
    27,727.29x = 604,270,864.28
  5. Step 5: Solve for x
    x = 604,270,864.28/27,727.29
  6. Step 6: Final answer
    x = 21,793.36

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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.