Home / 28,795.31-39,738.74-16,048.50

Finding the Fourth Proportional to 28,795.31, 39,738.74 and 16,048.50

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Solution

The fourth proportional to 28,795.31, 39,738.74 and 16,048.50 is: 22,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.31 : 39,738.74 = 16,048.50 : x
  2. Step 2: Convert to fraction form
    28,795.31/39,738.74 = 16,048.50/x
  3. Step 3: Cross multiply
    28,795.31x = 39,738.74 × 16,048.50
  4. Step 4: Simplify right side
    28,795.31x = 637,747,088.65
  5. Step 5: Solve for x
    x = 637,747,088.65/28,795.31
  6. Step 6: Final answer
    x = 22,147.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.