Home / 28,766.78-39,693.53-16,019.81

Finding the Fourth Proportional to 28,766.78, 39,693.53 and 16,019.81

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Solution

The fourth proportional to 28,766.78, 39,693.53 and 16,019.81 is: 22,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.78 : 39,693.53 = 16,019.81 : x
  2. Step 2: Convert to fraction form
    28,766.78/39,693.53 = 16,019.81/x
  3. Step 3: Cross multiply
    28,766.78x = 39,693.53 × 16,019.81
  4. Step 4: Simplify right side
    28,766.78x = 635,882,530.26
  5. Step 5: Solve for x
    x = 635,882,530.26/28,766.78
  6. Step 6: Final answer
    x = 22,104.76

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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.