Home / 22,928.63-34,390-8,879.05

Finding the Fourth Proportional to 22,928.63, 34,390 and 8,879.05

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Solution

The fourth proportional to 22,928.63, 34,390 and 8,879.05 is: 13,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928.63 : 34,390 = 8,879.05 : x
  2. Step 2: Convert to fraction form
    22,928.63/34,390 = 8,879.05/x
  3. Step 3: Cross multiply
    22,928.63x = 34,390 × 8,879.05
  4. Step 4: Simplify right side
    22,928.63x = 305,350,529.50
  5. Step 5: Solve for x
    x = 305,350,529.50/22,928.63
  6. Step 6: Final answer
    x = 13,317.43

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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.