Home / 20,258.72-27,960.60-13,097.44

Finding the Fourth Proportional to 20,258.72, 27,960.60 and 13,097.44

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Solution

The fourth proportional to 20,258.72, 27,960.60 and 13,097.44 is: 18,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.72 : 27,960.60 = 13,097.44 : x
  2. Step 2: Convert to fraction form
    20,258.72/27,960.60 = 13,097.44/x
  3. Step 3: Cross multiply
    20,258.72x = 27,960.60 × 13,097.44
  4. Step 4: Simplify right side
    20,258.72x = 366,212,280.86
  5. Step 5: Solve for x
    x = 366,212,280.86/20,258.72
  6. Step 6: Final answer
    x = 18,076.77

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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.