Home / 17,932.80-26,902.30-6,840.48

Finding the Fourth Proportional to 17,932.80, 26,902.30 and 6,840.48

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Solution

The fourth proportional to 17,932.80, 26,902.30 and 6,840.48 is: 10,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,932.80 : 26,902.30 = 6,840.48 : x
  2. Step 2: Convert to fraction form
    17,932.80/26,902.30 = 6,840.48/x
  3. Step 3: Cross multiply
    17,932.80x = 26,902.30 × 6,840.48
  4. Step 4: Simplify right side
    17,932.80x = 184,024,645.10
  5. Step 5: Solve for x
    x = 184,024,645.10/17,932.80
  6. Step 6: Final answer
    x = 10,261.90

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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.