Home / 22,608.88-31,183.64-15,535.60

Finding the Fourth Proportional to 22,608.88, 31,183.64 and 15,535.60

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Solution

The fourth proportional to 22,608.88, 31,183.64 and 15,535.60 is: 21,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.88 : 31,183.64 = 15,535.60 : x
  2. Step 2: Convert to fraction form
    22,608.88/31,183.64 = 15,535.60/x
  3. Step 3: Cross multiply
    22,608.88x = 31,183.64 × 15,535.60
  4. Step 4: Simplify right side
    22,608.88x = 484,456,557.58
  5. Step 5: Solve for x
    x = 484,456,557.58/22,608.88
  6. Step 6: Final answer
    x = 21,427.71

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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.