Home / 28,715.44-39,627.34-15,968.35

Finding the Fourth Proportional to 28,715.44, 39,627.34 and 15,968.35

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Solution

The fourth proportional to 28,715.44, 39,627.34 and 15,968.35 is: 22,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,715.44 : 39,627.34 = 15,968.35 : x
  2. Step 2: Convert to fraction form
    28,715.44/39,627.34 = 15,968.35/x
  3. Step 3: Cross multiply
    28,715.44x = 39,627.34 × 15,968.35
  4. Step 4: Simplify right side
    28,715.44x = 632,783,234.69
  5. Step 5: Solve for x
    x = 632,783,234.69/28,715.44
  6. Step 6: Final answer
    x = 22,036.34

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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.