Home / 26,432.72-39,650.24-8,664.38

Finding the Fourth Proportional to 26,432.72, 39,650.24 and 8,664.38

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Solution

The fourth proportional to 26,432.72, 39,650.24 and 8,664.38 is: 12,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,432.72 : 39,650.24 = 8,664.38 : x
  2. Step 2: Convert to fraction form
    26,432.72/39,650.24 = 8,664.38/x
  3. Step 3: Cross multiply
    26,432.72x = 39,650.24 × 8,664.38
  4. Step 4: Simplify right side
    26,432.72x = 343,544,746.45
  5. Step 5: Solve for x
    x = 343,544,746.45/26,432.72
  6. Step 6: Final answer
    x = 12,996.95

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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.