Home / 26,638.24-39,963.87-8,868.86

Finding the Fourth Proportional to 26,638.24, 39,963.87 and 8,868.86

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Solution

The fourth proportional to 26,638.24, 39,963.87 and 8,868.86 is: 13,305.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.24 : 39,963.87 = 8,868.86 : x
  2. Step 2: Convert to fraction form
    26,638.24/39,963.87 = 8,868.86/x
  3. Step 3: Cross multiply
    26,638.24x = 39,963.87 × 8,868.86
  4. Step 4: Simplify right side
    26,638.24x = 354,433,923.74
  5. Step 5: Solve for x
    x = 354,433,923.74/26,638.24
  6. Step 6: Final answer
    x = 13,305.46

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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.