Home / 31,872.88-47,605.43-28,866.46

Finding the Fourth Proportional to 31,872.88, 47,605.43 and 28,866.46

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Solution

The fourth proportional to 31,872.88, 47,605.43 and 28,866.46 is: 43,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.88 : 47,605.43 = 28,866.46 : x
  2. Step 2: Convert to fraction form
    31,872.88/47,605.43 = 28,866.46/x
  3. Step 3: Cross multiply
    31,872.88x = 47,605.43 × 28,866.46
  4. Step 4: Simplify right side
    31,872.88x = 1,374,200,240.88
  5. Step 5: Solve for x
    x = 1,374,200,240.88/31,872.88
  6. Step 6: Final answer
    x = 43,115.03

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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.