Home / 19,086.08-28,635.24-13,550.36

Finding the Fourth Proportional to 19,086.08, 28,635.24 and 13,550.36

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Solution

The fourth proportional to 19,086.08, 28,635.24 and 13,550.36 is: 20,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.08 : 28,635.24 = 13,550.36 : x
  2. Step 2: Convert to fraction form
    19,086.08/28,635.24 = 13,550.36/x
  3. Step 3: Cross multiply
    19,086.08x = 28,635.24 × 13,550.36
  4. Step 4: Simplify right side
    19,086.08x = 388,017,810.69
  5. Step 5: Solve for x
    x = 388,017,810.69/19,086.08
  6. Step 6: Final answer
    x = 20,329.88

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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.