Home / 26,259.09-39,388.60-7,791.09

Finding the Fourth Proportional to 26,259.09, 39,388.60 and 7,791.09

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Solution

The fourth proportional to 26,259.09, 39,388.60 and 7,791.09 is: 11,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,259.09 : 39,388.60 = 7,791.09 : x
  2. Step 2: Convert to fraction form
    26,259.09/39,388.60 = 7,791.09/x
  3. Step 3: Cross multiply
    26,259.09x = 39,388.60 × 7,791.09
  4. Step 4: Simplify right side
    26,259.09x = 306,880,127.57
  5. Step 5: Solve for x
    x = 306,880,127.57/26,259.09
  6. Step 6: Final answer
    x = 11,686.62

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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.