Home / 28,986.18-43,481.30-9,266.34

Finding the Fourth Proportional to 28,986.18, 43,481.30 and 9,266.34

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Solution

The fourth proportional to 28,986.18, 43,481.30 and 9,266.34 is: 13,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.18 : 43,481.30 = 9,266.34 : x
  2. Step 2: Convert to fraction form
    28,986.18/43,481.30 = 9,266.34/x
  3. Step 3: Cross multiply
    28,986.18x = 43,481.30 × 9,266.34
  4. Step 4: Simplify right side
    28,986.18x = 402,912,509.44
  5. Step 5: Solve for x
    x = 402,912,509.44/28,986.18
  6. Step 6: Final answer
    x = 13,900.16

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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.