Home / 27,833.22-38,446.65-20,747.34

Finding the Fourth Proportional to 27,833.22, 38,446.65 and 20,747.34

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Solution

The fourth proportional to 27,833.22, 38,446.65 and 20,747.34 is: 28,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,833.22 : 38,446.65 = 20,747.34 : x
  2. Step 2: Convert to fraction form
    27,833.22/38,446.65 = 20,747.34/x
  3. Step 3: Cross multiply
    27,833.22x = 38,446.65 × 20,747.34
  4. Step 4: Simplify right side
    27,833.22x = 797,665,719.41
  5. Step 5: Solve for x
    x = 797,665,719.41/27,833.22
  6. Step 6: Final answer
    x = 28,658.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.