Home / 22,947.60-31,634.18-16,221.36

Finding the Fourth Proportional to 22,947.60, 31,634.18 and 16,221.36

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Solution

The fourth proportional to 22,947.60, 31,634.18 and 16,221.36 is: 22,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,947.60 : 31,634.18 = 16,221.36 : x
  2. Step 2: Convert to fraction form
    22,947.60/31,634.18 = 16,221.36/x
  3. Step 3: Cross multiply
    22,947.60x = 31,634.18 × 16,221.36
  4. Step 4: Simplify right side
    22,947.60x = 513,149,340.98
  5. Step 5: Solve for x
    x = 513,149,340.98/22,947.60
  6. Step 6: Final answer
    x = 22,361.79

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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.