Home / 26,485.89-39,728.22-13,334.73

Finding the Fourth Proportional to 26,485.89, 39,728.22 and 13,334.73

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Solution

The fourth proportional to 26,485.89, 39,728.22 and 13,334.73 is: 20,001.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.89 : 39,728.22 = 13,334.73 : x
  2. Step 2: Convert to fraction form
    26,485.89/39,728.22 = 13,334.73/x
  3. Step 3: Cross multiply
    26,485.89x = 39,728.22 × 13,334.73
  4. Step 4: Simplify right side
    26,485.89x = 529,765,087.08
  5. Step 5: Solve for x
    x = 529,765,087.08/26,485.89
  6. Step 6: Final answer
    x = 20,001.79

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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.