Home / 26,610.89-39,912.93-7,890.48

Finding the Fourth Proportional to 26,610.89, 39,912.93 and 7,890.48

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Solution

The fourth proportional to 26,610.89, 39,912.93 and 7,890.48 is: 11,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,610.89 : 39,912.93 = 7,890.48 : x
  2. Step 2: Convert to fraction form
    26,610.89/39,912.93 = 7,890.48/x
  3. Step 3: Cross multiply
    26,610.89x = 39,912.93 × 7,890.48
  4. Step 4: Simplify right side
    26,610.89x = 314,932,175.91
  5. Step 5: Solve for x
    x = 314,932,175.91/26,610.89
  6. Step 6: Final answer
    x = 11,834.71

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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.