Home / 38,829.20-53,452.06-28,738.62

Finding the Fourth Proportional to 38,829.20, 53,452.06 and 28,738.62

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Solution

The fourth proportional to 38,829.20, 53,452.06 and 28,738.62 is: 39,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.20 : 53,452.06 = 28,738.62 : x
  2. Step 2: Convert to fraction form
    38,829.20/53,452.06 = 28,738.62/x
  3. Step 3: Cross multiply
    38,829.20x = 53,452.06 × 28,738.62
  4. Step 4: Simplify right side
    38,829.20x = 1,536,138,440.56
  5. Step 5: Solve for x
    x = 1,536,138,440.56/38,829.20
  6. Step 6: Final answer
    x = 39,561.42

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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.