Home / 38,243.01-52,775-21,247.28

Finding the Fourth Proportional to 38,243.01, 52,775 and 21,247.28

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Solution

The fourth proportional to 38,243.01, 52,775 and 21,247.28 is: 29,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.01 : 52,775 = 21,247.28 : x
  2. Step 2: Convert to fraction form
    38,243.01/52,775 = 21,247.28/x
  3. Step 3: Cross multiply
    38,243.01x = 52,775 × 21,247.28
  4. Step 4: Simplify right side
    38,243.01x = 1,121,325,202
  5. Step 5: Solve for x
    x = 1,121,325,202/38,243.01
  6. Step 6: Final answer
    x = 29,321.05

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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.