Home / 27,205.54-40,797.18-8,479.24

Finding the Fourth Proportional to 27,205.54, 40,797.18 and 8,479.24

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Solution

The fourth proportional to 27,205.54, 40,797.18 and 8,479.24 is: 12,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,205.54 : 40,797.18 = 8,479.24 : x
  2. Step 2: Convert to fraction form
    27,205.54/40,797.18 = 8,479.24/x
  3. Step 3: Cross multiply
    27,205.54x = 40,797.18 × 8,479.24
  4. Step 4: Simplify right side
    27,205.54x = 345,929,080.54
  5. Step 5: Solve for x
    x = 345,929,080.54/27,205.54
  6. Step 6: Final answer
    x = 12,715.39

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1.5x scale

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.