Home / 28,098.10-38,772.57-15,522.04

Finding the Fourth Proportional to 28,098.10, 38,772.57 and 15,522.04

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Solution

The fourth proportional to 28,098.10, 38,772.57 and 15,522.04 is: 21,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.10 : 38,772.57 = 15,522.04 : x
  2. Step 2: Convert to fraction form
    28,098.10/38,772.57 = 15,522.04/x
  3. Step 3: Cross multiply
    28,098.10x = 38,772.57 × 15,522.04
  4. Step 4: Simplify right side
    28,098.10x = 601,829,382.44
  5. Step 5: Solve for x
    x = 601,829,382.44/28,098.10
  6. Step 6: Final answer
    x = 21,418.86

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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.