Home / 19,020.20-28,537.14-12,792.03

Finding the Fourth Proportional to 19,020.20, 28,537.14 and 12,792.03

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Solution

The fourth proportional to 19,020.20, 28,537.14 and 12,792.03 is: 19,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.20 : 28,537.14 = 12,792.03 : x
  2. Step 2: Convert to fraction form
    19,020.20/28,537.14 = 12,792.03/x
  3. Step 3: Cross multiply
    19,020.20x = 28,537.14 × 12,792.03
  4. Step 4: Simplify right side
    19,020.20x = 365,047,950.99
  5. Step 5: Solve for x
    x = 365,047,950.99/19,020.20
  6. Step 6: Final answer
    x = 19,192.65

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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.