Home / 28,217.08-42,325.97-19,449.64

Finding the Fourth Proportional to 28,217.08, 42,325.97 and 19,449.64

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Solution

The fourth proportional to 28,217.08, 42,325.97 and 19,449.64 is: 29,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.08 : 42,325.97 = 19,449.64 : x
  2. Step 2: Convert to fraction form
    28,217.08/42,325.97 = 19,449.64/x
  3. Step 3: Cross multiply
    28,217.08x = 42,325.97 × 19,449.64
  4. Step 4: Simplify right side
    28,217.08x = 823,224,716.15
  5. Step 5: Solve for x
    x = 823,224,716.15/28,217.08
  6. Step 6: Final answer
    x = 29,174.70

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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.