Home / 21,729.54-32,594.31-11,338.86

Finding the Fourth Proportional to 21,729.54, 32,594.31 and 11,338.86

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Solution

The fourth proportional to 21,729.54, 32,594.31 and 11,338.86 is: 17,008.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729.54 : 32,594.31 = 11,338.86 : x
  2. Step 2: Convert to fraction form
    21,729.54/32,594.31 = 11,338.86/x
  3. Step 3: Cross multiply
    21,729.54x = 32,594.31 × 11,338.86
  4. Step 4: Simplify right side
    21,729.54x = 369,582,317.89
  5. Step 5: Solve for x
    x = 369,582,317.89/21,729.54
  6. Step 6: Final answer
    x = 17,008.29

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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.