Home / 20,019.93-27,627.84-11,636.43

Finding the Fourth Proportional to 20,019.93, 27,627.84 and 11,636.43

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Solution

The fourth proportional to 20,019.93, 27,627.84 and 11,636.43 is: 16,058.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.93 : 27,627.84 = 11,636.43 : x
  2. Step 2: Convert to fraction form
    20,019.93/27,627.84 = 11,636.43/x
  3. Step 3: Cross multiply
    20,019.93x = 27,627.84 × 11,636.43
  4. Step 4: Simplify right side
    20,019.93x = 321,489,426.21
  5. Step 5: Solve for x
    x = 321,489,426.21/20,019.93
  6. Step 6: Final answer
    x = 16,058.47

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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.