Home / 21,983.09-32,955.20-16,429.73

Finding the Fourth Proportional to 21,983.09, 32,955.20 and 16,429.73

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Solution

The fourth proportional to 21,983.09, 32,955.20 and 16,429.73 is: 24,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.09 : 32,955.20 = 16,429.73 : x
  2. Step 2: Convert to fraction form
    21,983.09/32,955.20 = 16,429.73/x
  3. Step 3: Cross multiply
    21,983.09x = 32,955.20 × 16,429.73
  4. Step 4: Simplify right side
    21,983.09x = 541,444,955.95
  5. Step 5: Solve for x
    x = 541,444,955.95/21,983.09
  6. Step 6: Final answer
    x = 24,630.07

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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.