Home / 20,252.57-27,949.93-11,301.80

Finding the Fourth Proportional to 20,252.57, 27,949.93 and 11,301.80

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Solution

The fourth proportional to 20,252.57, 27,949.93 and 11,301.80 is: 15,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.57 : 27,949.93 = 11,301.80 : x
  2. Step 2: Convert to fraction form
    20,252.57/27,949.93 = 11,301.80/x
  3. Step 3: Cross multiply
    20,252.57x = 27,949.93 × 11,301.80
  4. Step 4: Simplify right side
    20,252.57x = 315,884,350.87
  5. Step 5: Solve for x
    x = 315,884,350.87/20,252.57
  6. Step 6: Final answer
    x = 15,597.25

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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.