Home / 28,970.06-43,455.49-8,193.56

Finding the Fourth Proportional to 28,970.06, 43,455.49 and 8,193.56

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Solution

The fourth proportional to 28,970.06, 43,455.49 and 8,193.56 is: 12,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.06 : 43,455.49 = 8,193.56 : x
  2. Step 2: Convert to fraction form
    28,970.06/43,455.49 = 8,193.56/x
  3. Step 3: Cross multiply
    28,970.06x = 43,455.49 × 8,193.56
  4. Step 4: Simplify right side
    28,970.06x = 356,054,926.88
  5. Step 5: Solve for x
    x = 356,054,926.88/28,970.06
  6. Step 6: Final answer
    x = 12,290.45

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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.