Home / 28,906.10-43,383.76-11,388.23

Finding the Fourth Proportional to 28,906.10, 43,383.76 and 11,388.23

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Solution

The fourth proportional to 28,906.10, 43,383.76 and 11,388.23 is: 17,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.10 : 43,383.76 = 11,388.23 : x
  2. Step 2: Convert to fraction form
    28,906.10/43,383.76 = 11,388.23/x
  3. Step 3: Cross multiply
    28,906.10x = 43,383.76 × 11,388.23
  4. Step 4: Simplify right side
    28,906.10x = 494,064,237.14
  5. Step 5: Solve for x
    x = 494,064,237.14/28,906.10
  6. Step 6: Final answer
    x = 17,092.04

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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.