Home / 10,420.46-15,627.43-3,025.43

Finding the Fourth Proportional to 10,420.46, 15,627.43 and 3,025.43

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Solution

The fourth proportional to 10,420.46, 15,627.43 and 3,025.43 is: 4,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.46 : 15,627.43 = 3,025.43 : x
  2. Step 2: Convert to fraction form
    10,420.46/15,627.43 = 3,025.43/x
  3. Step 3: Cross multiply
    10,420.46x = 15,627.43 × 3,025.43
  4. Step 4: Simplify right side
    10,420.46x = 47,279,680.42
  5. Step 5: Solve for x
    x = 47,279,680.42/10,420.46
  6. Step 6: Final answer
    x = 4,537.20

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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.