Home / 28,868.23-43,268.73-12,222.73

Finding the Fourth Proportional to 28,868.23, 43,268.73 and 12,222.73

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Solution

The fourth proportional to 28,868.23, 43,268.73 and 12,222.73 is: 18,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.23 : 43,268.73 = 12,222.73 : x
  2. Step 2: Convert to fraction form
    28,868.23/43,268.73 = 12,222.73/x
  3. Step 3: Cross multiply
    28,868.23x = 43,268.73 × 12,222.73
  4. Step 4: Simplify right side
    28,868.23x = 528,862,004.23
  5. Step 5: Solve for x
    x = 528,862,004.23/28,868.23
  6. Step 6: Final answer
    x = 18,319.86

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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.