Home / 28,994.25-43,498.67-8,217.75

Finding the Fourth Proportional to 28,994.25, 43,498.67 and 8,217.75

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Solution

The fourth proportional to 28,994.25, 43,498.67 and 8,217.75 is: 12,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994.25 : 43,498.67 = 8,217.75 : x
  2. Step 2: Convert to fraction form
    28,994.25/43,498.67 = 8,217.75/x
  3. Step 3: Cross multiply
    28,994.25x = 43,498.67 × 8,217.75
  4. Step 4: Simplify right side
    28,994.25x = 357,461,154.30
  5. Step 5: Solve for x
    x = 357,461,154.30/28,994.25
  6. Step 6: Final answer
    x = 12,328.69

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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.