Home / 28,467.98-42,707.46-8,743.04

Finding the Fourth Proportional to 28,467.98, 42,707.46 and 8,743.04

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Solution

The fourth proportional to 28,467.98, 42,707.46 and 8,743.04 is: 13,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.98 : 42,707.46 = 8,743.04 : x
  2. Step 2: Convert to fraction form
    28,467.98/42,707.46 = 8,743.04/x
  3. Step 3: Cross multiply
    28,467.98x = 42,707.46 × 8,743.04
  4. Step 4: Simplify right side
    28,467.98x = 373,393,031.08
  5. Step 5: Solve for x
    x = 373,393,031.08/28,467.98
  6. Step 6: Final answer
    x = 13,116.25

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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.