Home / 23,281.20-34,919.10-6,643.80

Finding the Fourth Proportional to 23,281.20, 34,919.10 and 6,643.80

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Solution

The fourth proportional to 23,281.20, 34,919.10 and 6,643.80 is: 9,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.20 : 34,919.10 = 6,643.80 : x
  2. Step 2: Convert to fraction form
    23,281.20/34,919.10 = 6,643.80/x
  3. Step 3: Cross multiply
    23,281.20x = 34,919.10 × 6,643.80
  4. Step 4: Simplify right side
    23,281.20x = 231,995,516.58
  5. Step 5: Solve for x
    x = 231,995,516.58/23,281.20
  6. Step 6: Final answer
    x = 9,964.93

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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.