Home / 20,175.30-30,257.55-7,026.30

Finding the Fourth Proportional to 20,175.30, 30,257.55 and 7,026.30

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Solution

The fourth proportional to 20,175.30, 30,257.55 and 7,026.30 is: 10,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.30 : 30,257.55 = 7,026.30 : x
  2. Step 2: Convert to fraction form
    20,175.30/30,257.55 = 7,026.30/x
  3. Step 3: Cross multiply
    20,175.30x = 30,257.55 × 7,026.30
  4. Step 4: Simplify right side
    20,175.30x = 212,598,623.57
  5. Step 5: Solve for x
    x = 212,598,623.57/20,175.30
  6. Step 6: Final answer
    x = 10,537.57

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1.5x scale

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.