Home / 26,889.42-37,105.97-15,559.11

Finding the Fourth Proportional to 26,889.42, 37,105.97 and 15,559.11

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Solution

The fourth proportional to 26,889.42, 37,105.97 and 15,559.11 is: 21,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.42 : 37,105.97 = 15,559.11 : x
  2. Step 2: Convert to fraction form
    26,889.42/37,105.97 = 15,559.11/x
  3. Step 3: Cross multiply
    26,889.42x = 37,105.97 × 15,559.11
  4. Step 4: Simplify right side
    26,889.42x = 577,335,791.09
  5. Step 5: Solve for x
    x = 577,335,791.09/26,889.42
  6. Step 6: Final answer
    x = 21,470.74

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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.