Home / 28,874.25-43,328.66-12,458.25

Finding the Fourth Proportional to 28,874.25, 43,328.66 and 12,458.25

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Solution

The fourth proportional to 28,874.25, 43,328.66 and 12,458.25 is: 18,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.25 : 43,328.66 = 12,458.25 : x
  2. Step 2: Convert to fraction form
    28,874.25/43,328.66 = 12,458.25/x
  3. Step 3: Cross multiply
    28,874.25x = 43,328.66 × 12,458.25
  4. Step 4: Simplify right side
    28,874.25x = 539,799,216.15
  5. Step 5: Solve for x
    x = 539,799,216.15/28,874.25
  6. Step 6: Final answer
    x = 18,694.83

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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.