Home / 28,550.37-39,401.33-15,979.17

Finding the Fourth Proportional to 28,550.37, 39,401.33 and 15,979.17

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Solution

The fourth proportional to 28,550.37, 39,401.33 and 15,979.17 is: 22,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.37 : 39,401.33 = 15,979.17 : x
  2. Step 2: Convert to fraction form
    28,550.37/39,401.33 = 15,979.17/x
  3. Step 3: Cross multiply
    28,550.37x = 39,401.33 × 15,979.17
  4. Step 4: Simplify right side
    28,550.37x = 629,600,470.40
  5. Step 5: Solve for x
    x = 629,600,470.40/28,550.37
  6. Step 6: Final answer
    x = 22,052.27

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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.