Home / 38,399.27-52,989.24-21,405.37

Finding the Fourth Proportional to 38,399.27, 52,989.24 and 21,405.37

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Solution

The fourth proportional to 38,399.27, 52,989.24 and 21,405.37 is: 29,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.27 : 52,989.24 = 21,405.37 : x
  2. Step 2: Convert to fraction form
    38,399.27/52,989.24 = 21,405.37/x
  3. Step 3: Cross multiply
    38,399.27x = 52,989.24 × 21,405.37
  4. Step 4: Simplify right side
    38,399.27x = 1,134,254,155.75
  5. Step 5: Solve for x
    x = 1,134,254,155.75/38,399.27
  6. Step 6: Final answer
    x = 29,538.43

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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.