Home / 26,659.56-39,989.40-6,936.60

Finding the Fourth Proportional to 26,659.56, 39,989.40 and 6,936.60

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Solution

The fourth proportional to 26,659.56, 39,989.40 and 6,936.60 is: 10,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.56 : 39,989.40 = 6,936.60 : x
  2. Step 2: Convert to fraction form
    26,659.56/39,989.40 = 6,936.60/x
  3. Step 3: Cross multiply
    26,659.56x = 39,989.40 × 6,936.60
  4. Step 4: Simplify right side
    26,659.56x = 277,390,472.04
  5. Step 5: Solve for x
    x = 277,390,472.04/26,659.56
  6. Step 6: Final answer
    x = 10,404.92

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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.