Home / 21,631.77-32,395.82-13,706.73

Finding the Fourth Proportional to 21,631.77, 32,395.82 and 13,706.73

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Solution

The fourth proportional to 21,631.77, 32,395.82 and 13,706.73 is: 20,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.77 : 32,395.82 = 13,706.73 : x
  2. Step 2: Convert to fraction form
    21,631.77/32,395.82 = 13,706.73/x
  3. Step 3: Cross multiply
    21,631.77x = 32,395.82 × 13,706.73
  4. Step 4: Simplify right side
    21,631.77x = 444,040,689.33
  5. Step 5: Solve for x
    x = 444,040,689.33/21,631.77
  6. Step 6: Final answer
    x = 20,527.25

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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.