Home / 29,305.54-40,441.60-15,876.86

Finding the Fourth Proportional to 29,305.54, 40,441.60 and 15,876.86

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Solution

The fourth proportional to 29,305.54, 40,441.60 and 15,876.86 is: 21,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.54 : 40,441.60 = 15,876.86 : x
  2. Step 2: Convert to fraction form
    29,305.54/40,441.60 = 15,876.86/x
  3. Step 3: Cross multiply
    29,305.54x = 40,441.60 × 15,876.86
  4. Step 4: Simplify right side
    29,305.54x = 642,085,621.38
  5. Step 5: Solve for x
    x = 642,085,621.38/29,305.54
  6. Step 6: Final answer
    x = 21,910.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.