Home / 22,078.22-33,078-18,927.32

Finding the Fourth Proportional to 22,078.22, 33,078 and 18,927.32

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Solution

The fourth proportional to 22,078.22, 33,078 and 18,927.32 is: 28,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.22 : 33,078 = 18,927.32 : x
  2. Step 2: Convert to fraction form
    22,078.22/33,078 = 18,927.32/x
  3. Step 3: Cross multiply
    22,078.22x = 33,078 × 18,927.32
  4. Step 4: Simplify right side
    22,078.22x = 626,077,890.96
  5. Step 5: Solve for x
    x = 626,077,890.96/22,078.22
  6. Step 6: Final answer
    x = 28,357.26

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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.