Home / 20,092.74-27,728.64-11,141.08

Finding the Fourth Proportional to 20,092.74, 27,728.64 and 11,141.08

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Solution

The fourth proportional to 20,092.74, 27,728.64 and 11,141.08 is: 15,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.74 : 27,728.64 = 11,141.08 : x
  2. Step 2: Convert to fraction form
    20,092.74/27,728.64 = 11,141.08/x
  3. Step 3: Cross multiply
    20,092.74x = 27,728.64 × 11,141.08
  4. Step 4: Simplify right side
    20,092.74x = 308,926,802.18
  5. Step 5: Solve for x
    x = 308,926,802.18/20,092.74
  6. Step 6: Final answer
    x = 15,375.05

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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.