Home / 28,899.26-43,348.89-12,247.61

Finding the Fourth Proportional to 28,899.26, 43,348.89 and 12,247.61

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Solution

The fourth proportional to 28,899.26, 43,348.89 and 12,247.61 is: 18,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.26 : 43,348.89 = 12,247.61 : x
  2. Step 2: Convert to fraction form
    28,899.26/43,348.89 = 12,247.61/x
  3. Step 3: Cross multiply
    28,899.26x = 43,348.89 × 12,247.61
  4. Step 4: Simplify right side
    28,899.26x = 530,920,298.65
  5. Step 5: Solve for x
    x = 530,920,298.65/28,899.26
  6. Step 6: Final answer
    x = 18,371.42

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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.