Home / 38,788.28-53,523.94-21,794.48

Finding the Fourth Proportional to 38,788.28, 53,523.94 and 21,794.48

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Solution

The fourth proportional to 38,788.28, 53,523.94 and 21,794.48 is: 30,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.28 : 53,523.94 = 21,794.48 : x
  2. Step 2: Convert to fraction form
    38,788.28/53,523.94 = 21,794.48/x
  3. Step 3: Cross multiply
    38,788.28x = 53,523.94 × 21,794.48
  4. Step 4: Simplify right side
    38,788.28x = 1,166,526,439.85
  5. Step 5: Solve for x
    x = 1,166,526,439.85/38,788.28
  6. Step 6: Final answer
    x = 30,074.20

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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.