Home / 26,190.72-39,285.36-6,469.56

Finding the Fourth Proportional to 26,190.72, 39,285.36 and 6,469.56

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Solution

The fourth proportional to 26,190.72, 39,285.36 and 6,469.56 is: 9,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.72 : 39,285.36 = 6,469.56 : x
  2. Step 2: Convert to fraction form
    26,190.72/39,285.36 = 6,469.56/x
  3. Step 3: Cross multiply
    26,190.72x = 39,285.36 × 6,469.56
  4. Step 4: Simplify right side
    26,190.72x = 254,158,993.64
  5. Step 5: Solve for x
    x = 254,158,993.64/26,190.72
  6. Step 6: Final answer
    x = 9,704.16

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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.