Home / 21,971.29-32,957.75-11,294.79

Finding the Fourth Proportional to 21,971.29, 32,957.75 and 11,294.79

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Solution

The fourth proportional to 21,971.29, 32,957.75 and 11,294.79 is: 16,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.29 : 32,957.75 = 11,294.79 : x
  2. Step 2: Convert to fraction form
    21,971.29/32,957.75 = 11,294.79/x
  3. Step 3: Cross multiply
    21,971.29x = 32,957.75 × 11,294.79
  4. Step 4: Simplify right side
    21,971.29x = 372,250,751.08
  5. Step 5: Solve for x
    x = 372,250,751.08/21,971.29
  6. Step 6: Final answer
    x = 16,942.60

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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.