Home / 19,073.94-28,533.09-15,380.34

Finding the Fourth Proportional to 19,073.94, 28,533.09 and 15,380.34

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Solution

The fourth proportional to 19,073.94, 28,533.09 and 15,380.34 is: 23,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.94 : 28,533.09 = 15,380.34 : x
  2. Step 2: Convert to fraction form
    19,073.94/28,533.09 = 15,380.34/x
  3. Step 3: Cross multiply
    19,073.94x = 28,533.09 × 15,380.34
  4. Step 4: Simplify right side
    19,073.94x = 438,848,625.45
  5. Step 5: Solve for x
    x = 438,848,625.45/19,073.94
  6. Step 6: Final answer
    x = 23,007.76

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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.