Home / 21,611.15-29,835.15-14,932.73

Finding the Fourth Proportional to 21,611.15, 29,835.15 and 14,932.73

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Solution

The fourth proportional to 21,611.15, 29,835.15 and 14,932.73 is: 20,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611.15 : 29,835.15 = 14,932.73 : x
  2. Step 2: Convert to fraction form
    21,611.15/29,835.15 = 14,932.73/x
  3. Step 3: Cross multiply
    21,611.15x = 29,835.15 × 14,932.73
  4. Step 4: Simplify right side
    21,611.15x = 445,520,015.62
  5. Step 5: Solve for x
    x = 445,520,015.62/21,611.15
  6. Step 6: Final answer
    x = 20,615.29

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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.