Home / 28,899.25-43,348.88-8,122.75

Finding the Fourth Proportional to 28,899.25, 43,348.88 and 8,122.75

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Solution

The fourth proportional to 28,899.25, 43,348.88 and 8,122.75 is: 12,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.25 : 43,348.88 = 8,122.75 : x
  2. Step 2: Convert to fraction form
    28,899.25/43,348.88 = 8,122.75/x
  3. Step 3: Cross multiply
    28,899.25x = 43,348.88 × 8,122.75
  4. Step 4: Simplify right side
    28,899.25x = 352,112,115.02
  5. Step 5: Solve for x
    x = 352,112,115.02/28,899.25
  6. Step 6: Final answer
    x = 12,184.13

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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.