Home / 21,842.12-32,739.82-11,301.52

Finding the Fourth Proportional to 21,842.12, 32,739.82 and 11,301.52

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Solution

The fourth proportional to 21,842.12, 32,739.82 and 11,301.52 is: 16,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842.12 : 32,739.82 = 11,301.52 : x
  2. Step 2: Convert to fraction form
    21,842.12/32,739.82 = 11,301.52/x
  3. Step 3: Cross multiply
    21,842.12x = 32,739.82 × 11,301.52
  4. Step 4: Simplify right side
    21,842.12x = 370,009,730.53
  5. Step 5: Solve for x
    x = 370,009,730.53/21,842.12
  6. Step 6: Final answer
    x = 16,940.19

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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.