Home / 28,525.10-39,364.72-15,949.85

Finding the Fourth Proportional to 28,525.10, 39,364.72 and 15,949.85

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Solution

The fourth proportional to 28,525.10, 39,364.72 and 15,949.85 is: 22,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.10 : 39,364.72 = 15,949.85 : x
  2. Step 2: Convert to fraction form
    28,525.10/39,364.72 = 15,949.85/x
  3. Step 3: Cross multiply
    28,525.10x = 39,364.72 × 15,949.85
  4. Step 4: Simplify right side
    28,525.10x = 627,861,142.59
  5. Step 5: Solve for x
    x = 627,861,142.59/28,525.10
  6. Step 6: Final answer
    x = 22,010.83

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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.