Home / 23,163.41-31,967.47-19,379.90

Finding the Fourth Proportional to 23,163.41, 31,967.47 and 19,379.90

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Solution

The fourth proportional to 23,163.41, 31,967.47 and 19,379.90 is: 26,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.41 : 31,967.47 = 19,379.90 : x
  2. Step 2: Convert to fraction form
    23,163.41/31,967.47 = 19,379.90/x
  3. Step 3: Cross multiply
    23,163.41x = 31,967.47 × 19,379.90
  4. Step 4: Simplify right side
    23,163.41x = 619,526,115.12
  5. Step 5: Solve for x
    x = 619,526,115.12/23,163.41
  6. Step 6: Final answer
    x = 26,745.90

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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.