Home / 26,991.27-37,256.09-15,663.56

Finding the Fourth Proportional to 26,991.27, 37,256.09 and 15,663.56

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Solution

The fourth proportional to 26,991.27, 37,256.09 and 15,663.56 is: 21,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,991.27 : 37,256.09 = 15,663.56 : x
  2. Step 2: Convert to fraction form
    26,991.27/37,256.09 = 15,663.56/x
  3. Step 3: Cross multiply
    26,991.27x = 37,256.09 × 15,663.56
  4. Step 4: Simplify right side
    26,991.27x = 583,562,736.48
  5. Step 5: Solve for x
    x = 583,562,736.48/26,991.27
  6. Step 6: Final answer
    x = 21,620.43

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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.