Home / 28,760.73-39,690.86-16,014.57

Finding the Fourth Proportional to 28,760.73, 39,690.86 and 16,014.57

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Solution

The fourth proportional to 28,760.73, 39,690.86 and 16,014.57 is: 22,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.73 : 39,690.86 = 16,014.57 : x
  2. Step 2: Convert to fraction form
    28,760.73/39,690.86 = 16,014.57/x
  3. Step 3: Cross multiply
    28,760.73x = 39,690.86 × 16,014.57
  4. Step 4: Simplify right side
    28,760.73x = 635,631,975.76
  5. Step 5: Solve for x
    x = 635,631,975.76/28,760.73
  6. Step 6: Final answer
    x = 22,100.69

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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.