Home / 20,042.73-27,657.99-11,090.07

Finding the Fourth Proportional to 20,042.73, 27,657.99 and 11,090.07

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Solution

The fourth proportional to 20,042.73, 27,657.99 and 11,090.07 is: 15,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.73 : 27,657.99 = 11,090.07 : x
  2. Step 2: Convert to fraction form
    20,042.73/27,657.99 = 11,090.07/x
  3. Step 3: Cross multiply
    20,042.73x = 27,657.99 × 11,090.07
  4. Step 4: Simplify right side
    20,042.73x = 306,729,045.16
  5. Step 5: Solve for x
    x = 306,729,045.16/20,042.73
  6. Step 6: Final answer
    x = 15,303.76

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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.