Home / 28,544.78-39,391.84-15,969.54

Finding the Fourth Proportional to 28,544.78, 39,391.84 and 15,969.54

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Solution

The fourth proportional to 28,544.78, 39,391.84 and 15,969.54 is: 22,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.78 : 39,391.84 = 15,969.54 : x
  2. Step 2: Convert to fraction form
    28,544.78/39,391.84 = 15,969.54/x
  3. Step 3: Cross multiply
    28,544.78x = 39,391.84 × 15,969.54
  4. Step 4: Simplify right side
    28,544.78x = 629,069,564.55
  5. Step 5: Solve for x
    x = 629,069,564.55/28,544.78
  6. Step 6: Final answer
    x = 22,037.99

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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.