Home / 26,905.80-40,353.90-17,027.40

Finding the Fourth Proportional to 26,905.80, 40,353.90 and 17,027.40

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Solution

The fourth proportional to 26,905.80, 40,353.90 and 17,027.40 is: 25,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.80 : 40,353.90 = 17,027.40 : x
  2. Step 2: Convert to fraction form
    26,905.80/40,353.90 = 17,027.40/x
  3. Step 3: Cross multiply
    26,905.80x = 40,353.90 × 17,027.40
  4. Step 4: Simplify right side
    26,905.80x = 687,121,996.86
  5. Step 5: Solve for x
    x = 687,121,996.86/26,905.80
  6. Step 6: Final answer
    x = 25,538.06

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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.