Home / 28,037.53-42,049.81-8,311.33

Finding the Fourth Proportional to 28,037.53, 42,049.81 and 8,311.33

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Solution

The fourth proportional to 28,037.53, 42,049.81 and 8,311.33 is: 12,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.53 : 42,049.81 = 8,311.33 : x
  2. Step 2: Convert to fraction form
    28,037.53/42,049.81 = 8,311.33/x
  3. Step 3: Cross multiply
    28,037.53x = 42,049.81 × 8,311.33
  4. Step 4: Simplify right side
    28,037.53x = 349,489,721.44
  5. Step 5: Solve for x
    x = 349,489,721.44/28,037.53
  6. Step 6: Final answer
    x = 12,465.07

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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.