Home / 25,621.96-38,383.22-16,830.20

Finding the Fourth Proportional to 25,621.96, 38,383.22 and 16,830.20

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Solution

The fourth proportional to 25,621.96, 38,383.22 and 16,830.20 is: 25,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.96 : 38,383.22 = 16,830.20 : x
  2. Step 2: Convert to fraction form
    25,621.96/38,383.22 = 16,830.20/x
  3. Step 3: Cross multiply
    25,621.96x = 38,383.22 × 16,830.20
  4. Step 4: Simplify right side
    25,621.96x = 645,997,269.24
  5. Step 5: Solve for x
    x = 645,997,269.24/25,621.96
  6. Step 6: Final answer
    x = 25,212.64

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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.