Home / 28,877.23-43,282.23-12,231.73

Finding the Fourth Proportional to 28,877.23, 43,282.23 and 12,231.73

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Solution

The fourth proportional to 28,877.23, 43,282.23 and 12,231.73 is: 18,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.23 : 43,282.23 = 12,231.73 : x
  2. Step 2: Convert to fraction form
    28,877.23/43,282.23 = 12,231.73/x
  3. Step 3: Cross multiply
    28,877.23x = 43,282.23 × 12,231.73
  4. Step 4: Simplify right side
    28,877.23x = 529,416,551.16
  5. Step 5: Solve for x
    x = 529,416,551.16/28,877.23
  6. Step 6: Final answer
    x = 18,333.36

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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.