Home / 26,280.12-39,420.17-9,633.86

Finding the Fourth Proportional to 26,280.12, 39,420.17 and 9,633.86

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Solution

The fourth proportional to 26,280.12, 39,420.17 and 9,633.86 is: 14,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,280.12 : 39,420.17 = 9,633.86 : x
  2. Step 2: Convert to fraction form
    26,280.12/39,420.17 = 9,633.86/x
  3. Step 3: Cross multiply
    26,280.12x = 39,420.17 × 9,633.86
  4. Step 4: Simplify right side
    26,280.12x = 379,768,201.86
  5. Step 5: Solve for x
    x = 379,768,201.86/26,280.12
  6. Step 6: Final answer
    x = 14,450.78

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1.5x scale

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.