Home / 31,881.43-47,829.84-15,236.74

Finding the Fourth Proportional to 31,881.43, 47,829.84 and 15,236.74

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Solution

The fourth proportional to 31,881.43, 47,829.84 and 15,236.74 is: 22,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881.43 : 47,829.84 = 15,236.74 : x
  2. Step 2: Convert to fraction form
    31,881.43/47,829.84 = 15,236.74/x
  3. Step 3: Cross multiply
    31,881.43x = 47,829.84 × 15,236.74
  4. Step 4: Simplify right side
    31,881.43x = 728,770,836.32
  5. Step 5: Solve for x
    x = 728,770,836.32/31,881.43
  6. Step 6: Final answer
    x = 22,858.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.