Home / 27,012.75-40,519.10-7,291.30

Finding the Fourth Proportional to 27,012.75, 40,519.10 and 7,291.30

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Solution

The fourth proportional to 27,012.75, 40,519.10 and 7,291.30 is: 10,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.75 : 40,519.10 = 7,291.30 : x
  2. Step 2: Convert to fraction form
    27,012.75/40,519.10 = 7,291.30/x
  3. Step 3: Cross multiply
    27,012.75x = 40,519.10 × 7,291.30
  4. Step 4: Simplify right side
    27,012.75x = 295,436,711.23
  5. Step 5: Solve for x
    x = 295,436,711.23/27,012.75
  6. Step 6: Final answer
    x = 10,936.94

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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.