Home / 20,042.09-27,657.96-11,089.43

Finding the Fourth Proportional to 20,042.09, 27,657.96 and 11,089.43

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Solution

The fourth proportional to 20,042.09, 27,657.96 and 11,089.43 is: 15,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.09 : 27,657.96 = 11,089.43 : x
  2. Step 2: Convert to fraction form
    20,042.09/27,657.96 = 11,089.43/x
  3. Step 3: Cross multiply
    20,042.09x = 27,657.96 × 11,089.43
  4. Step 4: Simplify right side
    20,042.09x = 306,711,011.36
  5. Step 5: Solve for x
    x = 306,711,011.36/20,042.09
  6. Step 6: Final answer
    x = 15,303.34

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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.