Home / 28,994.20-43,491.74-8,217.68

Finding the Fourth Proportional to 28,994.20, 43,491.74 and 8,217.68

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Solution

The fourth proportional to 28,994.20, 43,491.74 and 8,217.68 is: 12,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994.20 : 43,491.74 = 8,217.68 : x
  2. Step 2: Convert to fraction form
    28,994.20/43,491.74 = 8,217.68/x
  3. Step 3: Cross multiply
    28,994.20x = 43,491.74 × 8,217.68
  4. Step 4: Simplify right side
    28,994.20x = 357,401,201.96
  5. Step 5: Solve for x
    x = 357,401,201.96/28,994.20
  6. Step 6: Final answer
    x = 12,326.64

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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.