Home / 20,020.29-27,625.56-11,066.55

Finding the Fourth Proportional to 20,020.29, 27,625.56 and 11,066.55

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Solution

The fourth proportional to 20,020.29, 27,625.56 and 11,066.55 is: 15,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.29 : 27,625.56 = 11,066.55 : x
  2. Step 2: Convert to fraction form
    20,020.29/27,625.56 = 11,066.55/x
  3. Step 3: Cross multiply
    20,020.29x = 27,625.56 × 11,066.55
  4. Step 4: Simplify right side
    20,020.29x = 305,719,641.02
  5. Step 5: Solve for x
    x = 305,719,641.02/20,020.29
  6. Step 6: Final answer
    x = 15,270.49

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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.