Home / 20,245.59-27,938.96-11,292.93

Finding the Fourth Proportional to 20,245.59, 27,938.96 and 11,292.93

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Solution

The fourth proportional to 20,245.59, 27,938.96 and 11,292.93 is: 15,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245.59 : 27,938.96 = 11,292.93 : x
  2. Step 2: Convert to fraction form
    20,245.59/27,938.96 = 11,292.93/x
  3. Step 3: Cross multiply
    20,245.59x = 27,938.96 × 11,292.93
  4. Step 4: Simplify right side
    20,245.59x = 315,512,719.55
  5. Step 5: Solve for x
    x = 315,512,719.55/20,245.59
  6. Step 6: Final answer
    x = 15,584.27

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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.