Home / 28,086.93-38,760.81-16,151.37

Finding the Fourth Proportional to 28,086.93, 38,760.81 and 16,151.37

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Solution

The fourth proportional to 28,086.93, 38,760.81 and 16,151.37 is: 22,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.93 : 38,760.81 = 16,151.37 : x
  2. Step 2: Convert to fraction form
    28,086.93/38,760.81 = 16,151.37/x
  3. Step 3: Cross multiply
    28,086.93x = 38,760.81 × 16,151.37
  4. Step 4: Simplify right side
    28,086.93x = 626,040,183.81
  5. Step 5: Solve for x
    x = 626,040,183.81/28,086.93
  6. Step 6: Final answer
    x = 22,289.38

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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.