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Finding the Fourth Proportional to 27,339.46, 40,859.38 and 19,959.46

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Solution

The fourth proportional to 27,339.46, 40,859.38 and 19,959.46 is: 29,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.46 : 40,859.38 = 19,959.46 : x
  2. Step 2: Convert to fraction form
    27,339.46/40,859.38 = 19,959.46/x
  3. Step 3: Cross multiply
    27,339.46x = 40,859.38 × 19,959.46
  4. Step 4: Simplify right side
    27,339.46x = 815,531,160.73
  5. Step 5: Solve for x
    x = 815,531,160.73/27,339.46
  6. Step 6: Final answer
    x = 29,829.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.