Home / 29,292.22-40,423.37-15,863.43

Finding the Fourth Proportional to 29,292.22, 40,423.37 and 15,863.43

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Solution

The fourth proportional to 29,292.22, 40,423.37 and 15,863.43 is: 21,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292.22 : 40,423.37 = 15,863.43 : x
  2. Step 2: Convert to fraction form
    29,292.22/40,423.37 = 15,863.43/x
  3. Step 3: Cross multiply
    29,292.22x = 40,423.37 × 15,863.43
  4. Step 4: Simplify right side
    29,292.22x = 641,253,300.36
  5. Step 5: Solve for x
    x = 641,253,300.36/29,292.22
  6. Step 6: Final answer
    x = 21,891.59

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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.