Home / 28,131.32-42,175.92-17,035.32

Finding the Fourth Proportional to 28,131.32, 42,175.92 and 17,035.32

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Solution

The fourth proportional to 28,131.32, 42,175.92 and 17,035.32 is: 25,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,131.32 : 42,175.92 = 17,035.32 : x
  2. Step 2: Convert to fraction form
    28,131.32/42,175.92 = 17,035.32/x
  3. Step 3: Cross multiply
    28,131.32x = 42,175.92 × 17,035.32
  4. Step 4: Simplify right side
    28,131.32x = 718,480,293.49
  5. Step 5: Solve for x
    x = 718,480,293.49/28,131.32
  6. Step 6: Final answer
    x = 25,540.23

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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.