Home / 16,855.20-25,282.78-4,543.20

Finding the Fourth Proportional to 16,855.20, 25,282.78 and 4,543.20

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Solution

The fourth proportional to 16,855.20, 25,282.78 and 4,543.20 is: 6,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.20 : 25,282.78 = 4,543.20 : x
  2. Step 2: Convert to fraction form
    16,855.20/25,282.78 = 4,543.20/x
  3. Step 3: Cross multiply
    16,855.20x = 25,282.78 × 4,543.20
  4. Step 4: Simplify right side
    16,855.20x = 114,864,726.10
  5. Step 5: Solve for x
    x = 114,864,726.10/16,855.20
  6. Step 6: Final answer
    x = 6,814.79

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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.