Home / 18,826.98-28,244.52-5,680.68

Finding the Fourth Proportional to 18,826.98, 28,244.52 and 5,680.68

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Solution

The fourth proportional to 18,826.98, 28,244.52 and 5,680.68 is: 8,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.98 : 28,244.52 = 5,680.68 : x
  2. Step 2: Convert to fraction form
    18,826.98/28,244.52 = 5,680.68/x
  3. Step 3: Cross multiply
    18,826.98x = 28,244.52 × 5,680.68
  4. Step 4: Simplify right side
    18,826.98x = 160,448,079.87
  5. Step 5: Solve for x
    x = 160,448,079.87/18,826.98
  6. Step 6: Final answer
    x = 8,522.24

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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.