Home / 28,754.15-43,141.94-12,954.45

Finding the Fourth Proportional to 28,754.15, 43,141.94 and 12,954.45

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Solution

The fourth proportional to 28,754.15, 43,141.94 and 12,954.45 is: 19,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.15 : 43,141.94 = 12,954.45 : x
  2. Step 2: Convert to fraction form
    28,754.15/43,141.94 = 12,954.45/x
  3. Step 3: Cross multiply
    28,754.15x = 43,141.94 × 12,954.45
  4. Step 4: Simplify right side
    28,754.15x = 558,879,856.54
  5. Step 5: Solve for x
    x = 558,879,856.54/28,754.15
  6. Step 6: Final answer
    x = 19,436.49

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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.