Home / 31,854.12-47,768.88-15,205.56

Finding the Fourth Proportional to 31,854.12, 47,768.88 and 15,205.56

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Solution

The fourth proportional to 31,854.12, 47,768.88 and 15,205.56 is: 22,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,854.12 : 47,768.88 = 15,205.56 : x
  2. Step 2: Convert to fraction form
    31,854.12/47,768.88 = 15,205.56/x
  3. Step 3: Cross multiply
    31,854.12x = 47,768.88 × 15,205.56
  4. Step 4: Simplify right side
    31,854.12x = 726,352,570.97
  5. Step 5: Solve for x
    x = 726,352,570.97/31,854.12
  6. Step 6: Final answer
    x = 22,802.47

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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.