Home / 28,855.31-43,285.44-10,133.73

Finding the Fourth Proportional to 28,855.31, 43,285.44 and 10,133.73

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Solution

The fourth proportional to 28,855.31, 43,285.44 and 10,133.73 is: 15,201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.31 : 43,285.44 = 10,133.73 : x
  2. Step 2: Convert to fraction form
    28,855.31/43,285.44 = 10,133.73/x
  3. Step 3: Cross multiply
    28,855.31x = 43,285.44 × 10,133.73
  4. Step 4: Simplify right side
    28,855.31x = 438,642,961.89
  5. Step 5: Solve for x
    x = 438,642,961.89/28,855.31
  6. Step 6: Final answer
    x = 15,201.46

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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.