Home / 28,168.90-38,873.37-15,593.38

Finding the Fourth Proportional to 28,168.90, 38,873.37 and 15,593.38

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Solution

The fourth proportional to 28,168.90, 38,873.37 and 15,593.38 is: 21,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168.90 : 38,873.37 = 15,593.38 : x
  2. Step 2: Convert to fraction form
    28,168.90/38,873.37 = 15,593.38/x
  3. Step 3: Cross multiply
    28,168.90x = 38,873.37 × 15,593.38
  4. Step 4: Simplify right side
    28,168.90x = 606,167,230.29
  5. Step 5: Solve for x
    x = 606,167,230.29/28,168.90
  6. Step 6: Final answer
    x = 21,519.02

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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.