Home / 25,827.12-35,647.38-16,858.80

Finding the Fourth Proportional to 25,827.12, 35,647.38 and 16,858.80

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Solution

The fourth proportional to 25,827.12, 35,647.38 and 16,858.80 is: 23,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.12 : 35,647.38 = 16,858.80 : x
  2. Step 2: Convert to fraction form
    25,827.12/35,647.38 = 16,858.80/x
  3. Step 3: Cross multiply
    25,827.12x = 35,647.38 × 16,858.80
  4. Step 4: Simplify right side
    25,827.12x = 600,972,049.94
  5. Step 5: Solve for x
    x = 600,972,049.94/25,827.12
  6. Step 6: Final answer
    x = 23,269.03

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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.