Home / 28,673.64-43,013.22-11,144.84

Finding the Fourth Proportional to 28,673.64, 43,013.22 and 11,144.84

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Solution

The fourth proportional to 28,673.64, 43,013.22 and 11,144.84 is: 16,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.64 : 43,013.22 = 11,144.84 : x
  2. Step 2: Convert to fraction form
    28,673.64/43,013.22 = 11,144.84/x
  3. Step 3: Cross multiply
    28,673.64x = 43,013.22 × 11,144.84
  4. Step 4: Simplify right side
    28,673.64x = 479,375,454.78
  5. Step 5: Solve for x
    x = 479,375,454.78/28,673.64
  6. Step 6: Final answer
    x = 16,718.33

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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.