Home / 28,601.06-39,469.35-16,025.78

Finding the Fourth Proportional to 28,601.06, 39,469.35 and 16,025.78

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Solution

The fourth proportional to 28,601.06, 39,469.35 and 16,025.78 is: 22,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601.06 : 39,469.35 = 16,025.78 : x
  2. Step 2: Convert to fraction form
    28,601.06/39,469.35 = 16,025.78/x
  3. Step 3: Cross multiply
    28,601.06x = 39,469.35 × 16,025.78
  4. Step 4: Simplify right side
    28,601.06x = 632,527,119.84
  5. Step 5: Solve for x
    x = 632,527,119.84/28,601.06
  6. Step 6: Final answer
    x = 22,115.51

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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.