Home / 21,817.67-32,730.82-7,025.45

Finding the Fourth Proportional to 21,817.67, 32,730.82 and 7,025.45

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Solution

The fourth proportional to 21,817.67, 32,730.82 and 7,025.45 is: 10,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,817.67 : 32,730.82 = 7,025.45 : x
  2. Step 2: Convert to fraction form
    21,817.67/32,730.82 = 7,025.45/x
  3. Step 3: Cross multiply
    21,817.67x = 32,730.82 × 7,025.45
  4. Step 4: Simplify right side
    21,817.67x = 229,948,558.15
  5. Step 5: Solve for x
    x = 229,948,558.15/21,817.67
  6. Step 6: Final answer
    x = 10,539.56

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1.5x scale

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.