Home / 28,634.44-39,512.16-15,884.52

Finding the Fourth Proportional to 28,634.44, 39,512.16 and 15,884.52

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Solution

The fourth proportional to 28,634.44, 39,512.16 and 15,884.52 is: 21,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.44 : 39,512.16 = 15,884.52 : x
  2. Step 2: Convert to fraction form
    28,634.44/39,512.16 = 15,884.52/x
  3. Step 3: Cross multiply
    28,634.44x = 39,512.16 × 15,884.52
  4. Step 4: Simplify right side
    28,634.44x = 627,631,695.76
  5. Step 5: Solve for x
    x = 627,631,695.76/28,634.44
  6. Step 6: Final answer
    x = 21,918.77

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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.