Home / 38,020.78-52,468.58-20,793.16

Finding the Fourth Proportional to 38,020.78, 52,468.58 and 20,793.16

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Solution

The fourth proportional to 38,020.78, 52,468.58 and 20,793.16 is: 28,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.78 : 52,468.58 = 20,793.16 : x
  2. Step 2: Convert to fraction form
    38,020.78/52,468.58 = 20,793.16/x
  3. Step 3: Cross multiply
    38,020.78x = 52,468.58 × 20,793.16
  4. Step 4: Simplify right side
    38,020.78x = 1,090,987,578.91
  5. Step 5: Solve for x
    x = 1,090,987,578.91/38,020.78
  6. Step 6: Final answer
    x = 28,694.51

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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.