Home / 17,156.20-25,734.30-16,810.60

Finding the Fourth Proportional to 17,156.20, 25,734.30 and 16,810.60

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Solution

The fourth proportional to 17,156.20, 25,734.30 and 16,810.60 is: 25,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.20 : 25,734.30 = 16,810.60 : x
  2. Step 2: Convert to fraction form
    17,156.20/25,734.30 = 16,810.60/x
  3. Step 3: Cross multiply
    17,156.20x = 25,734.30 × 16,810.60
  4. Step 4: Simplify right side
    17,156.20x = 432,609,023.58
  5. Step 5: Solve for x
    x = 432,609,023.58/17,156.20
  6. Step 6: Final answer
    x = 25,215.90

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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.