Home / 16,809.08-25,180.20-15,431.26

Finding the Fourth Proportional to 16,809.08, 25,180.20 and 15,431.26

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Solution

The fourth proportional to 16,809.08, 25,180.20 and 15,431.26 is: 23,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.08 : 25,180.20 = 15,431.26 : x
  2. Step 2: Convert to fraction form
    16,809.08/25,180.20 = 15,431.26/x
  3. Step 3: Cross multiply
    16,809.08x = 25,180.20 × 15,431.26
  4. Step 4: Simplify right side
    16,809.08x = 388,562,213.05
  5. Step 5: Solve for x
    x = 388,562,213.05/16,809.08
  6. Step 6: Final answer
    x = 23,116.21

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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.