Home / 19,068.44-28,610.49-8,389.29

Finding the Fourth Proportional to 19,068.44, 28,610.49 and 8,389.29

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Solution

The fourth proportional to 19,068.44, 28,610.49 and 8,389.29 is: 12,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.44 : 28,610.49 = 8,389.29 : x
  2. Step 2: Convert to fraction form
    19,068.44/28,610.49 = 8,389.29/x
  3. Step 3: Cross multiply
    19,068.44x = 28,610.49 × 8,389.29
  4. Step 4: Simplify right side
    19,068.44x = 240,021,697.65
  5. Step 5: Solve for x
    x = 240,021,697.65/19,068.44
  6. Step 6: Final answer
    x = 12,587.38

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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.