Home / 27,906.32-38,511.05-15,968.95

Finding the Fourth Proportional to 27,906.32, 38,511.05 and 15,968.95

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Solution

The fourth proportional to 27,906.32, 38,511.05 and 15,968.95 is: 22,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.32 : 38,511.05 = 15,968.95 : x
  2. Step 2: Convert to fraction form
    27,906.32/38,511.05 = 15,968.95/x
  3. Step 3: Cross multiply
    27,906.32x = 38,511.05 × 15,968.95
  4. Step 4: Simplify right side
    27,906.32x = 614,980,855.78
  5. Step 5: Solve for x
    x = 614,980,855.78/27,906.32
  6. Step 6: Final answer
    x = 22,037.33

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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.