Home / 22,539.60-31,014.97-21,854.79

Finding the Fourth Proportional to 22,539.60, 31,014.97 and 21,854.79

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Solution

The fourth proportional to 22,539.60, 31,014.97 and 21,854.79 is: 30,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,539.60 : 31,014.97 = 21,854.79 : x
  2. Step 2: Convert to fraction form
    22,539.60/31,014.97 = 21,854.79/x
  3. Step 3: Cross multiply
    22,539.60x = 31,014.97 × 21,854.79
  4. Step 4: Simplify right side
    22,539.60x = 677,825,601.57
  5. Step 5: Solve for x
    x = 677,825,601.57/22,539.60
  6. Step 6: Final answer
    x = 30,072.65

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1.5x scale

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.