Home / 38,247.09-52,780.88-21,251.27

Finding the Fourth Proportional to 38,247.09, 52,780.88 and 21,251.27

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Solution

The fourth proportional to 38,247.09, 52,780.88 and 21,251.27 is: 29,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.09 : 52,780.88 = 21,251.27 : x
  2. Step 2: Convert to fraction form
    38,247.09/52,780.88 = 21,251.27/x
  3. Step 3: Cross multiply
    38,247.09x = 52,780.88 × 21,251.27
  4. Step 4: Simplify right side
    38,247.09x = 1,121,660,361.56
  5. Step 5: Solve for x
    x = 1,121,660,361.56/38,247.09
  6. Step 6: Final answer
    x = 29,326.69

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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.