Home / 21,833.39-32,777.76-18,180.29

Finding the Fourth Proportional to 21,833.39, 32,777.76 and 18,180.29

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Solution

The fourth proportional to 21,833.39, 32,777.76 and 18,180.29 is: 27,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,833.39 : 32,777.76 = 18,180.29 : x
  2. Step 2: Convert to fraction form
    21,833.39/32,777.76 = 18,180.29/x
  3. Step 3: Cross multiply
    21,833.39x = 32,777.76 × 18,180.29
  4. Step 4: Simplify right side
    21,833.39x = 595,909,182.35
  5. Step 5: Solve for x
    x = 595,909,182.35/21,833.39
  6. Step 6: Final answer
    x = 27,293.48

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1.5x scale

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.