Home / 28,462.86-42,724.35-15,993.54

Finding the Fourth Proportional to 28,462.86, 42,724.35 and 15,993.54

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Solution

The fourth proportional to 28,462.86, 42,724.35 and 15,993.54 is: 24,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.86 : 42,724.35 = 15,993.54 : x
  2. Step 2: Convert to fraction form
    28,462.86/42,724.35 = 15,993.54/x
  3. Step 3: Cross multiply
    28,462.86x = 42,724.35 × 15,993.54
  4. Step 4: Simplify right side
    28,462.86x = 683,313,600.70
  5. Step 5: Solve for x
    x = 683,313,600.70/28,462.86
  6. Step 6: Final answer
    x = 24,007.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.