Home / 28,817.34-43,213.77-11,284.38

Finding the Fourth Proportional to 28,817.34, 43,213.77 and 11,284.38

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Solution

The fourth proportional to 28,817.34, 43,213.77 and 11,284.38 is: 16,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.34 : 43,213.77 = 11,284.38 : x
  2. Step 2: Convert to fraction form
    28,817.34/43,213.77 = 11,284.38/x
  3. Step 3: Cross multiply
    28,817.34x = 43,213.77 × 11,284.38
  4. Step 4: Simplify right side
    28,817.34x = 487,640,601.91
  5. Step 5: Solve for x
    x = 487,640,601.91/28,817.34
  6. Step 6: Final answer
    x = 16,921.78

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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.