Home / 28,939.77-43,290.86-23,107.77

Finding the Fourth Proportional to 28,939.77, 43,290.86 and 23,107.77

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Solution

The fourth proportional to 28,939.77, 43,290.86 and 23,107.77 is: 34,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.77 : 43,290.86 = 23,107.77 : x
  2. Step 2: Convert to fraction form
    28,939.77/43,290.86 = 23,107.77/x
  3. Step 3: Cross multiply
    28,939.77x = 43,290.86 × 23,107.77
  4. Step 4: Simplify right side
    28,939.77x = 1,000,355,120.44
  5. Step 5: Solve for x
    x = 1,000,355,120.44/28,939.77
  6. Step 6: Final answer
    x = 34,566.80

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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.