Home / 27,122.24-37,402.35-21,151.73

Finding the Fourth Proportional to 27,122.24, 37,402.35 and 21,151.73

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Solution

The fourth proportional to 27,122.24, 37,402.35 and 21,151.73 is: 29,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.24 : 37,402.35 = 21,151.73 : x
  2. Step 2: Convert to fraction form
    27,122.24/37,402.35 = 21,151.73/x
  3. Step 3: Cross multiply
    27,122.24x = 37,402.35 × 21,151.73
  4. Step 4: Simplify right side
    27,122.24x = 791,124,408.57
  5. Step 5: Solve for x
    x = 791,124,408.57/27,122.24
  6. Step 6: Final answer
    x = 29,168.84

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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.