Home / 27,766.40-38,330.40-17,162.24

Finding the Fourth Proportional to 27,766.40, 38,330.40 and 17,162.24

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Solution

The fourth proportional to 27,766.40, 38,330.40 and 17,162.24 is: 23,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.40 : 38,330.40 = 17,162.24 : x
  2. Step 2: Convert to fraction form
    27,766.40/38,330.40 = 17,162.24/x
  3. Step 3: Cross multiply
    27,766.40x = 38,330.40 × 17,162.24
  4. Step 4: Simplify right side
    27,766.40x = 657,835,524.10
  5. Step 5: Solve for x
    x = 657,835,524.10/27,766.40
  6. Step 6: Final answer
    x = 23,691.78

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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.