Home / 26,571.72-39,864.48-11,777.13

Finding the Fourth Proportional to 26,571.72, 39,864.48 and 11,777.13

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Solution

The fourth proportional to 26,571.72, 39,864.48 and 11,777.13 is: 17,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571.72 : 39,864.48 = 11,777.13 : x
  2. Step 2: Convert to fraction form
    26,571.72/39,864.48 = 11,777.13/x
  3. Step 3: Cross multiply
    26,571.72x = 39,864.48 × 11,777.13
  4. Step 4: Simplify right side
    26,571.72x = 469,489,163.34
  5. Step 5: Solve for x
    x = 469,489,163.34/26,571.72
  6. Step 6: Final answer
    x = 17,668.75

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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.