Home / 20,150.24-27,821.17-12,600.23

Finding the Fourth Proportional to 20,150.24, 27,821.17 and 12,600.23

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Solution

The fourth proportional to 20,150.24, 27,821.17 and 12,600.23 is: 17,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.24 : 27,821.17 = 12,600.23 : x
  2. Step 2: Convert to fraction form
    20,150.24/27,821.17 = 12,600.23/x
  3. Step 3: Cross multiply
    20,150.24x = 27,821.17 × 12,600.23
  4. Step 4: Simplify right side
    20,150.24x = 350,553,017.51
  5. Step 5: Solve for x
    x = 350,553,017.51/20,150.24
  6. Step 6: Final answer
    x = 17,396.97

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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.