Home / 28,183.95-42,272.28-10,651.50

Finding the Fourth Proportional to 28,183.95, 42,272.28 and 10,651.50

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Solution

The fourth proportional to 28,183.95, 42,272.28 and 10,651.50 is: 15,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.95 : 42,272.28 = 10,651.50 : x
  2. Step 2: Convert to fraction form
    28,183.95/42,272.28 = 10,651.50/x
  3. Step 3: Cross multiply
    28,183.95x = 42,272.28 × 10,651.50
  4. Step 4: Simplify right side
    28,183.95x = 450,263,190.42
  5. Step 5: Solve for x
    x = 450,263,190.42/28,183.95
  6. Step 6: Final answer
    x = 15,975.87

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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.