Home / 31,026.22-42,816.62-16,879.06

Finding the Fourth Proportional to 31,026.22, 42,816.62 and 16,879.06

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Solution

The fourth proportional to 31,026.22, 42,816.62 and 16,879.06 is: 23,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,026.22 : 42,816.62 = 16,879.06 : x
  2. Step 2: Convert to fraction form
    31,026.22/42,816.62 = 16,879.06/x
  3. Step 3: Cross multiply
    31,026.22x = 42,816.62 × 16,879.06
  4. Step 4: Simplify right side
    31,026.22x = 722,704,297.98
  5. Step 5: Solve for x
    x = 722,704,297.98/31,026.22
  6. Step 6: Final answer
    x = 23,293.34

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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.