Home / 21,033.99-29,008.62-18,200.46

Finding the Fourth Proportional to 21,033.99, 29,008.62 and 18,200.46

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Solution

The fourth proportional to 21,033.99, 29,008.62 and 18,200.46 is: 25,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.99 : 29,008.62 = 18,200.46 : x
  2. Step 2: Convert to fraction form
    21,033.99/29,008.62 = 18,200.46/x
  3. Step 3: Cross multiply
    21,033.99x = 29,008.62 × 18,200.46
  4. Step 4: Simplify right side
    21,033.99x = 527,970,227.97
  5. Step 5: Solve for x
    x = 527,970,227.97/21,033.99
  6. Step 6: Final answer
    x = 25,100.81

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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.