Home / 28,383.87-39,169.24-16,448.32

Finding the Fourth Proportional to 28,383.87, 39,169.24 and 16,448.32

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Solution

The fourth proportional to 28,383.87, 39,169.24 and 16,448.32 is: 22,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.87 : 39,169.24 = 16,448.32 : x
  2. Step 2: Convert to fraction form
    28,383.87/39,169.24 = 16,448.32/x
  3. Step 3: Cross multiply
    28,383.87x = 39,169.24 × 16,448.32
  4. Step 4: Simplify right side
    28,383.87x = 644,267,981.19
  5. Step 5: Solve for x
    x = 644,267,981.19/28,383.87
  6. Step 6: Final answer
    x = 22,698.39

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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.