Home / 24,278.75-36,409.31-8,479.36

Finding the Fourth Proportional to 24,278.75, 36,409.31 and 8,479.36

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Solution

The fourth proportional to 24,278.75, 36,409.31 and 8,479.36 is: 12,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,278.75 : 36,409.31 = 8,479.36 : x
  2. Step 2: Convert to fraction form
    24,278.75/36,409.31 = 8,479.36/x
  3. Step 3: Cross multiply
    24,278.75x = 36,409.31 × 8,479.36
  4. Step 4: Simplify right side
    24,278.75x = 308,727,464.80
  5. Step 5: Solve for x
    x = 308,727,464.80/24,278.75
  6. Step 6: Final answer
    x = 12,715.95

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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.