Home / 20,065.44-27,690.40-11,233.44

Finding the Fourth Proportional to 20,065.44, 27,690.40 and 11,233.44

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Solution

The fourth proportional to 20,065.44, 27,690.40 and 11,233.44 is: 15,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.44 : 27,690.40 = 11,233.44 : x
  2. Step 2: Convert to fraction form
    20,065.44/27,690.40 = 11,233.44/x
  3. Step 3: Cross multiply
    20,065.44x = 27,690.40 × 11,233.44
  4. Step 4: Simplify right side
    20,065.44x = 311,058,446.98
  5. Step 5: Solve for x
    x = 311,058,446.98/20,065.44
  6. Step 6: Final answer
    x = 15,502.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.