Home / 22,281.24-30,761.46-13,909.08

Finding the Fourth Proportional to 22,281.24, 30,761.46 and 13,909.08

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Solution

The fourth proportional to 22,281.24, 30,761.46 and 13,909.08 is: 19,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.24 : 30,761.46 = 13,909.08 : x
  2. Step 2: Convert to fraction form
    22,281.24/30,761.46 = 13,909.08/x
  3. Step 3: Cross multiply
    22,281.24x = 30,761.46 × 13,909.08
  4. Step 4: Simplify right side
    22,281.24x = 427,863,608.06
  5. Step 5: Solve for x
    x = 427,863,608.06/22,281.24
  6. Step 6: Final answer
    x = 19,202.86

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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.