Home / 20,020.78-27,627.08-11,068.26

Finding the Fourth Proportional to 20,020.78, 27,627.08 and 11,068.26

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Solution

The fourth proportional to 20,020.78, 27,627.08 and 11,068.26 is: 15,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.78 : 27,627.08 = 11,068.26 : x
  2. Step 2: Convert to fraction form
    20,020.78/27,627.08 = 11,068.26/x
  3. Step 3: Cross multiply
    20,020.78x = 27,627.08 × 11,068.26
  4. Step 4: Simplify right side
    20,020.78x = 305,783,704.48
  5. Step 5: Solve for x
    x = 305,783,704.48/20,020.78
  6. Step 6: Final answer
    x = 15,273.32

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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.