Home / 31,433.06-43,377.93-17,286

Finding the Fourth Proportional to 31,433.06, 43,377.93 and 17,286

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Solution

The fourth proportional to 31,433.06, 43,377.93 and 17,286 is: 23,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.06 : 43,377.93 = 17,286 : x
  2. Step 2: Convert to fraction form
    31,433.06/43,377.93 = 17,286/x
  3. Step 3: Cross multiply
    31,433.06x = 43,377.93 × 17,286
  4. Step 4: Simplify right side
    31,433.06x = 749,830,897.98
  5. Step 5: Solve for x
    x = 749,830,897.98/31,433.06
  6. Step 6: Final answer
    x = 23,854.85

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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.