Home / 28,990.37-43,487.58-9,270.52

Finding the Fourth Proportional to 28,990.37, 43,487.58 and 9,270.52

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Solution

The fourth proportional to 28,990.37, 43,487.58 and 9,270.52 is: 13,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.37 : 43,487.58 = 9,270.52 : x
  2. Step 2: Convert to fraction form
    28,990.37/43,487.58 = 9,270.52/x
  3. Step 3: Cross multiply
    28,990.37x = 43,487.58 × 9,270.52
  4. Step 4: Simplify right side
    28,990.37x = 403,152,406.19
  5. Step 5: Solve for x
    x = 403,152,406.19/28,990.37
  6. Step 6: Final answer
    x = 13,906.42

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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.