Home / 25,313.32-34,906.22-21,740.11

Finding the Fourth Proportional to 25,313.32, 34,906.22 and 21,740.11

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Solution

The fourth proportional to 25,313.32, 34,906.22 and 21,740.11 is: 29,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313.32 : 34,906.22 = 21,740.11 : x
  2. Step 2: Convert to fraction form
    25,313.32/34,906.22 = 21,740.11/x
  3. Step 3: Cross multiply
    25,313.32x = 34,906.22 × 21,740.11
  4. Step 4: Simplify right side
    25,313.32x = 758,865,060.00
  5. Step 5: Solve for x
    x = 758,865,060.00/25,313.32
  6. Step 6: Final answer
    x = 29,978.88

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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.