Home / 21,447.86-32,162.67-11,584.49

Finding the Fourth Proportional to 21,447.86, 32,162.67 and 11,584.49

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Solution

The fourth proportional to 21,447.86, 32,162.67 and 11,584.49 is: 17,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.86 : 32,162.67 = 11,584.49 : x
  2. Step 2: Convert to fraction form
    21,447.86/32,162.67 = 11,584.49/x
  3. Step 3: Cross multiply
    21,447.86x = 32,162.67 × 11,584.49
  4. Step 4: Simplify right side
    21,447.86x = 372,587,968.17
  5. Step 5: Solve for x
    x = 372,587,968.17/21,447.86
  6. Step 6: Final answer
    x = 17,371.81

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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.