Home / 21,860.48-32,765.92-19,222.89

Finding the Fourth Proportional to 21,860.48, 32,765.92 and 19,222.89

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Solution

The fourth proportional to 21,860.48, 32,765.92 and 19,222.89 is: 28,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860.48 : 32,765.92 = 19,222.89 : x
  2. Step 2: Convert to fraction form
    21,860.48/32,765.92 = 19,222.89/x
  3. Step 3: Cross multiply
    21,860.48x = 32,765.92 × 19,222.89
  4. Step 4: Simplify right side
    21,860.48x = 629,855,504.98
  5. Step 5: Solve for x
    x = 629,855,504.98/21,860.48
  6. Step 6: Final answer
    x = 28,812.52

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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.