Home / 38,278.72-52,824.60-21,282.44

Finding the Fourth Proportional to 38,278.72, 52,824.60 and 21,282.44

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Solution

The fourth proportional to 38,278.72, 52,824.60 and 21,282.44 is: 29,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.72 : 52,824.60 = 21,282.44 : x
  2. Step 2: Convert to fraction form
    38,278.72/52,824.60 = 21,282.44/x
  3. Step 3: Cross multiply
    38,278.72x = 52,824.60 × 21,282.44
  4. Step 4: Simplify right side
    38,278.72x = 1,124,236,380.02
  5. Step 5: Solve for x
    x = 1,124,236,380.02/38,278.72
  6. Step 6: Final answer
    x = 29,369.75

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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.