Home / 21,442.91-32,164.77-6,652.31

Finding the Fourth Proportional to 21,442.91, 32,164.77 and 6,652.31

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Solution

The fourth proportional to 21,442.91, 32,164.77 and 6,652.31 is: 9,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.91 : 32,164.77 = 6,652.31 : x
  2. Step 2: Convert to fraction form
    21,442.91/32,164.77 = 6,652.31/x
  3. Step 3: Cross multiply
    21,442.91x = 32,164.77 × 6,652.31
  4. Step 4: Simplify right side
    21,442.91x = 213,970,021.12
  5. Step 5: Solve for x
    x = 213,970,021.12/21,442.91
  6. Step 6: Final answer
    x = 9,978.59

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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.