Home / 29,638.44-40,889.37-18,288.15

Finding the Fourth Proportional to 29,638.44, 40,889.37 and 18,288.15

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Solution

The fourth proportional to 29,638.44, 40,889.37 and 18,288.15 is: 25,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,638.44 : 40,889.37 = 18,288.15 : x
  2. Step 2: Convert to fraction form
    29,638.44/40,889.37 = 18,288.15/x
  3. Step 3: Cross multiply
    29,638.44x = 40,889.37 × 18,288.15
  4. Step 4: Simplify right side
    29,638.44x = 747,790,931.97
  5. Step 5: Solve for x
    x = 747,790,931.97/29,638.44
  6. Step 6: Final answer
    x = 25,230.44

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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.