Home / 26,922.72-40,392.72-13,081.44

Finding the Fourth Proportional to 26,922.72, 40,392.72 and 13,081.44

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Solution

The fourth proportional to 26,922.72, 40,392.72 and 13,081.44 is: 19,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.72 : 40,392.72 = 13,081.44 : x
  2. Step 2: Convert to fraction form
    26,922.72/40,392.72 = 13,081.44/x
  3. Step 3: Cross multiply
    26,922.72x = 40,392.72 × 13,081.44
  4. Step 4: Simplify right side
    26,922.72x = 528,394,943.12
  5. Step 5: Solve for x
    x = 528,394,943.12/26,922.72
  6. Step 6: Final answer
    x = 19,626.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.