Home / 21,716.79-32,542.38-16,143.99

Finding the Fourth Proportional to 21,716.79, 32,542.38 and 16,143.99

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Solution

The fourth proportional to 21,716.79, 32,542.38 and 16,143.99 is: 24,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716.79 : 32,542.38 = 16,143.99 : x
  2. Step 2: Convert to fraction form
    21,716.79/32,542.38 = 16,143.99/x
  3. Step 3: Cross multiply
    21,716.79x = 32,542.38 × 16,143.99
  4. Step 4: Simplify right side
    21,716.79x = 525,363,857.30
  5. Step 5: Solve for x
    x = 525,363,857.30/21,716.79
  6. Step 6: Final answer
    x = 24,191.60

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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.