Home / 26,509.80-39,764.60-6,788.33

Finding the Fourth Proportional to 26,509.80, 39,764.60 and 6,788.33

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Solution

The fourth proportional to 26,509.80, 39,764.60 and 6,788.33 is: 10,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.80 : 39,764.60 = 6,788.33 : x
  2. Step 2: Convert to fraction form
    26,509.80/39,764.60 = 6,788.33/x
  3. Step 3: Cross multiply
    26,509.80x = 39,764.60 × 6,788.33
  4. Step 4: Simplify right side
    26,509.80x = 269,935,227.12
  5. Step 5: Solve for x
    x = 269,935,227.12/26,509.80
  6. Step 6: Final answer
    x = 10,182.47

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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.