Home / 21,972.43-32,861.44-19,522.99

Finding the Fourth Proportional to 21,972.43, 32,861.44 and 19,522.99

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Solution

The fourth proportional to 21,972.43, 32,861.44 and 19,522.99 is: 29,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.43 : 32,861.44 = 19,522.99 : x
  2. Step 2: Convert to fraction form
    21,972.43/32,861.44 = 19,522.99/x
  3. Step 3: Cross multiply
    21,972.43x = 32,861.44 × 19,522.99
  4. Step 4: Simplify right side
    21,972.43x = 641,553,564.51
  5. Step 5: Solve for x
    x = 641,553,564.51/21,972.43
  6. Step 6: Final answer
    x = 29,198.12

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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.