Home / 28,766.44-39,695.16-16,018.66

Finding the Fourth Proportional to 28,766.44, 39,695.16 and 16,018.66

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Solution

The fourth proportional to 28,766.44, 39,695.16 and 16,018.66 is: 22,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.44 : 39,695.16 = 16,018.66 : x
  2. Step 2: Convert to fraction form
    28,766.44/39,695.16 = 16,018.66/x
  3. Step 3: Cross multiply
    28,766.44x = 39,695.16 × 16,018.66
  4. Step 4: Simplify right side
    28,766.44x = 635,863,271.69
  5. Step 5: Solve for x
    x = 635,863,271.69/28,766.44
  6. Step 6: Final answer
    x = 22,104.34

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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.