Home / 38,376.88-52,961.93-21,382.27

Finding the Fourth Proportional to 38,376.88, 52,961.93 and 21,382.27

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Solution

The fourth proportional to 38,376.88, 52,961.93 and 21,382.27 is: 29,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.88 : 52,961.93 = 21,382.27 : x
  2. Step 2: Convert to fraction form
    38,376.88/52,961.93 = 21,382.27/x
  3. Step 3: Cross multiply
    38,376.88x = 52,961.93 × 21,382.27
  4. Step 4: Simplify right side
    38,376.88x = 1,132,446,286.98
  5. Step 5: Solve for x
    x = 1,132,446,286.98/38,376.88
  6. Step 6: Final answer
    x = 29,508.56

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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.