Home / 28,786.06-43,116.57-13,963.82

Finding the Fourth Proportional to 28,786.06, 43,116.57 and 13,963.82

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Solution

The fourth proportional to 28,786.06, 43,116.57 and 13,963.82 is: 20,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,786.06 : 43,116.57 = 13,963.82 : x
  2. Step 2: Convert to fraction form
    28,786.06/43,116.57 = 13,963.82/x
  3. Step 3: Cross multiply
    28,786.06x = 43,116.57 × 13,963.82
  4. Step 4: Simplify right side
    28,786.06x = 602,072,022.50
  5. Step 5: Solve for x
    x = 602,072,022.50/28,786.06
  6. Step 6: Final answer
    x = 20,915.41

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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.