Home / 28,715.02-43,093.60-18,850.84

Finding the Fourth Proportional to 28,715.02, 43,093.60 and 18,850.84

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Solution

The fourth proportional to 28,715.02, 43,093.60 and 18,850.84 is: 28,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,715.02 : 43,093.60 = 18,850.84 : x
  2. Step 2: Convert to fraction form
    28,715.02/43,093.60 = 18,850.84/x
  3. Step 3: Cross multiply
    28,715.02x = 43,093.60 × 18,850.84
  4. Step 4: Simplify right side
    28,715.02x = 812,350,558.62
  5. Step 5: Solve for x
    x = 812,350,558.62/28,715.02
  6. Step 6: Final answer
    x = 28,290.09

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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.