Home / 27,028.04-40,507.20-11,215.20

Finding the Fourth Proportional to 27,028.04, 40,507.20 and 11,215.20

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Solution

The fourth proportional to 27,028.04, 40,507.20 and 11,215.20 is: 16,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.04 : 40,507.20 = 11,215.20 : x
  2. Step 2: Convert to fraction form
    27,028.04/40,507.20 = 11,215.20/x
  3. Step 3: Cross multiply
    27,028.04x = 40,507.20 × 11,215.20
  4. Step 4: Simplify right side
    27,028.04x = 454,296,349.44
  5. Step 5: Solve for x
    x = 454,296,349.44/27,028.04
  6. Step 6: Final answer
    x = 16,808.33

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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.