Home / 20,244.39-27,937.81-11,293.64

Finding the Fourth Proportional to 20,244.39, 27,937.81 and 11,293.64

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Solution

The fourth proportional to 20,244.39, 27,937.81 and 11,293.64 is: 15,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.39 : 27,937.81 = 11,293.64 : x
  2. Step 2: Convert to fraction form
    20,244.39/27,937.81 = 11,293.64/x
  3. Step 3: Cross multiply
    20,244.39x = 27,937.81 × 11,293.64
  4. Step 4: Simplify right side
    20,244.39x = 315,519,400.61
  5. Step 5: Solve for x
    x = 315,519,400.61/20,244.39
  6. Step 6: Final answer
    x = 15,585.52

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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.