Home / 21,524.88-32,295.60-8,386.56

Finding the Fourth Proportional to 21,524.88, 32,295.60 and 8,386.56

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Solution

The fourth proportional to 21,524.88, 32,295.60 and 8,386.56 is: 12,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.88 : 32,295.60 = 8,386.56 : x
  2. Step 2: Convert to fraction form
    21,524.88/32,295.60 = 8,386.56/x
  3. Step 3: Cross multiply
    21,524.88x = 32,295.60 × 8,386.56
  4. Step 4: Simplify right side
    21,524.88x = 270,848,987.14
  5. Step 5: Solve for x
    x = 270,848,987.14/21,524.88
  6. Step 6: Final answer
    x = 12,583.07

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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.