Home / 28,617.21-39,499.97-17,284.90

Finding the Fourth Proportional to 28,617.21, 39,499.97 and 17,284.90

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Solution

The fourth proportional to 28,617.21, 39,499.97 and 17,284.90 is: 23,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617.21 : 39,499.97 = 17,284.90 : x
  2. Step 2: Convert to fraction form
    28,617.21/39,499.97 = 17,284.90/x
  3. Step 3: Cross multiply
    28,617.21x = 39,499.97 × 17,284.90
  4. Step 4: Simplify right side
    28,617.21x = 682,753,031.45
  5. Step 5: Solve for x
    x = 682,753,031.45/28,617.21
  6. Step 6: Final answer
    x = 23,858.13

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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.