Home / 28,664.92-42,995.34-7,604.50

Finding the Fourth Proportional to 28,664.92, 42,995.34 and 7,604.50

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Solution

The fourth proportional to 28,664.92, 42,995.34 and 7,604.50 is: 11,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.92 : 42,995.34 = 7,604.50 : x
  2. Step 2: Convert to fraction form
    28,664.92/42,995.34 = 7,604.50/x
  3. Step 3: Cross multiply
    28,664.92x = 42,995.34 × 7,604.50
  4. Step 4: Simplify right side
    28,664.92x = 326,958,063.03
  5. Step 5: Solve for x
    x = 326,958,063.03/28,664.92
  6. Step 6: Final answer
    x = 11,406.21

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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.