Home / 20,233.26-27,922.32-11,281.14

Finding the Fourth Proportional to 20,233.26, 27,922.32 and 11,281.14

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Solution

The fourth proportional to 20,233.26, 27,922.32 and 11,281.14 is: 15,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.26 : 27,922.32 = 11,281.14 : x
  2. Step 2: Convert to fraction form
    20,233.26/27,922.32 = 11,281.14/x
  3. Step 3: Cross multiply
    20,233.26x = 27,922.32 × 11,281.14
  4. Step 4: Simplify right side
    20,233.26x = 314,995,601.04
  5. Step 5: Solve for x
    x = 314,995,601.04/20,233.26
  6. Step 6: Final answer
    x = 15,568.21

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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.