Home / 28,994.32-43,491.88-8,217.80

Finding the Fourth Proportional to 28,994.32, 43,491.88 and 8,217.80

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Solution

The fourth proportional to 28,994.32, 43,491.88 and 8,217.80 is: 12,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994.32 : 43,491.88 = 8,217.80 : x
  2. Step 2: Convert to fraction form
    28,994.32/43,491.88 = 8,217.80/x
  3. Step 3: Cross multiply
    28,994.32x = 43,491.88 × 8,217.80
  4. Step 4: Simplify right side
    28,994.32x = 357,407,571.46
  5. Step 5: Solve for x
    x = 357,407,571.46/28,994.32
  6. Step 6: Final answer
    x = 12,326.81

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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.