Home / 19,138.22-26,408.96-17,727.60

Finding the Fourth Proportional to 19,138.22, 26,408.96 and 17,727.60

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Solution

The fourth proportional to 19,138.22, 26,408.96 and 17,727.60 is: 24,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.22 : 26,408.96 = 17,727.60 : x
  2. Step 2: Convert to fraction form
    19,138.22/26,408.96 = 17,727.60/x
  3. Step 3: Cross multiply
    19,138.22x = 26,408.96 × 17,727.60
  4. Step 4: Simplify right side
    19,138.22x = 468,167,390.66
  5. Step 5: Solve for x
    x = 468,167,390.66/19,138.22
  6. Step 6: Final answer
    x = 24,462.44

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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.