Home / 28,194.88-42,289.92-11,550.16

Finding the Fourth Proportional to 28,194.88, 42,289.92 and 11,550.16

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Solution

The fourth proportional to 28,194.88, 42,289.92 and 11,550.16 is: 17,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.88 : 42,289.92 = 11,550.16 : x
  2. Step 2: Convert to fraction form
    28,194.88/42,289.92 = 11,550.16/x
  3. Step 3: Cross multiply
    28,194.88x = 42,289.92 × 11,550.16
  4. Step 4: Simplify right side
    28,194.88x = 488,455,342.39
  5. Step 5: Solve for x
    x = 488,455,342.39/28,194.88
  6. Step 6: Final answer
    x = 17,324.26

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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.