Home / 22,785.42-31,435.47-13,350.54

Finding the Fourth Proportional to 22,785.42, 31,435.47 and 13,350.54

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Solution

The fourth proportional to 22,785.42, 31,435.47 and 13,350.54 is: 18,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.42 : 31,435.47 = 13,350.54 : x
  2. Step 2: Convert to fraction form
    22,785.42/31,435.47 = 13,350.54/x
  3. Step 3: Cross multiply
    22,785.42x = 31,435.47 × 13,350.54
  4. Step 4: Simplify right side
    22,785.42x = 419,680,499.65
  5. Step 5: Solve for x
    x = 419,680,499.65/22,785.42
  6. Step 6: Final answer
    x = 18,418.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.