Home / 21,824.48-32,755.36-8,686.08

Finding the Fourth Proportional to 21,824.48, 32,755.36 and 8,686.08

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Solution

The fourth proportional to 21,824.48, 32,755.36 and 8,686.08 is: 13,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824.48 : 32,755.36 = 8,686.08 : x
  2. Step 2: Convert to fraction form
    21,824.48/32,755.36 = 8,686.08/x
  3. Step 3: Cross multiply
    21,824.48x = 32,755.36 × 8,686.08
  4. Step 4: Simplify right side
    21,824.48x = 284,515,677.39
  5. Step 5: Solve for x
    x = 284,515,677.39/21,824.48
  6. Step 6: Final answer
    x = 13,036.54

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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.