Home / 38,192.72-57,286.20-10,490

Finding the Fourth Proportional to 38,192.72, 57,286.20 and 10,490

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Solution

The fourth proportional to 38,192.72, 57,286.20 and 10,490 is: 15,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,192.72 : 57,286.20 = 10,490 : x
  2. Step 2: Convert to fraction form
    38,192.72/57,286.20 = 10,490/x
  3. Step 3: Cross multiply
    38,192.72x = 57,286.20 × 10,490
  4. Step 4: Simplify right side
    38,192.72x = 600,932,238
  5. Step 5: Solve for x
    x = 600,932,238/38,192.72
  6. Step 6: Final answer
    x = 15,734.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.