Home / 26,554.05-39,829.75-9,912.80

Finding the Fourth Proportional to 26,554.05, 39,829.75 and 9,912.80

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Solution

The fourth proportional to 26,554.05, 39,829.75 and 9,912.80 is: 14,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,554.05 : 39,829.75 = 9,912.80 : x
  2. Step 2: Convert to fraction form
    26,554.05/39,829.75 = 9,912.80/x
  3. Step 3: Cross multiply
    26,554.05x = 39,829.75 × 9,912.80
  4. Step 4: Simplify right side
    26,554.05x = 394,824,420.59
  5. Step 5: Solve for x
    x = 394,824,420.59/26,554.05
  6. Step 6: Final answer
    x = 14,868.71

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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.