Home / 28,782.32-43,198.08-11,264.44

Finding the Fourth Proportional to 28,782.32, 43,198.08 and 11,264.44

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Solution

The fourth proportional to 28,782.32, 43,198.08 and 11,264.44 is: 16,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.32 : 43,198.08 = 11,264.44 : x
  2. Step 2: Convert to fraction form
    28,782.32/43,198.08 = 11,264.44/x
  3. Step 3: Cross multiply
    28,782.32x = 43,198.08 × 11,264.44
  4. Step 4: Simplify right side
    28,782.32x = 486,602,180.28
  5. Step 5: Solve for x
    x = 486,602,180.28/28,782.32
  6. Step 6: Final answer
    x = 16,906.29

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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.