Home / 28,773.28-43,164.98-11,906.24

Finding the Fourth Proportional to 28,773.28, 43,164.98 and 11,906.24

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Solution

The fourth proportional to 28,773.28, 43,164.98 and 11,906.24 is: 17,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.28 : 43,164.98 = 11,906.24 : x
  2. Step 2: Convert to fraction form
    28,773.28/43,164.98 = 11,906.24/x
  3. Step 3: Cross multiply
    28,773.28x = 43,164.98 × 11,906.24
  4. Step 4: Simplify right side
    28,773.28x = 513,932,611.48
  5. Step 5: Solve for x
    x = 513,932,611.48/28,773.28
  6. Step 6: Final answer
    x = 17,861.45

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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.