Home / 15,890.92-23,839.80-5,361.20

Finding the Fourth Proportional to 15,890.92, 23,839.80 and 5,361.20

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Solution

The fourth proportional to 15,890.92, 23,839.80 and 5,361.20 is: 8,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.92 : 23,839.80 = 5,361.20 : x
  2. Step 2: Convert to fraction form
    15,890.92/23,839.80 = 5,361.20/x
  3. Step 3: Cross multiply
    15,890.92x = 23,839.80 × 5,361.20
  4. Step 4: Simplify right side
    15,890.92x = 127,809,935.76
  5. Step 5: Solve for x
    x = 127,809,935.76/15,890.92
  6. Step 6: Final answer
    x = 8,042.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.