Home / 20,035.30-27,671.40-13,650.82

Finding the Fourth Proportional to 20,035.30, 27,671.40 and 13,650.82

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Solution

The fourth proportional to 20,035.30, 27,671.40 and 13,650.82 is: 18,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.30 : 27,671.40 = 13,650.82 : x
  2. Step 2: Convert to fraction form
    20,035.30/27,671.40 = 13,650.82/x
  3. Step 3: Cross multiply
    20,035.30x = 27,671.40 × 13,650.82
  4. Step 4: Simplify right side
    20,035.30x = 377,737,300.55
  5. Step 5: Solve for x
    x = 377,737,300.55/20,035.30
  6. Step 6: Final answer
    x = 18,853.59

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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.