Home / 28,170.64-42,226.76-17,616.44

Finding the Fourth Proportional to 28,170.64, 42,226.76 and 17,616.44

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Solution

The fourth proportional to 28,170.64, 42,226.76 and 17,616.44 is: 26,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170.64 : 42,226.76 = 17,616.44 : x
  2. Step 2: Convert to fraction form
    28,170.64/42,226.76 = 17,616.44/x
  3. Step 3: Cross multiply
    28,170.64x = 42,226.76 × 17,616.44
  4. Step 4: Simplify right side
    28,170.64x = 743,885,183.93
  5. Step 5: Solve for x
    x = 743,885,183.93/28,170.64
  6. Step 6: Final answer
    x = 26,406.40

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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.