Home / 26,979.90-40,479.54-9,452.28

Finding the Fourth Proportional to 26,979.90, 40,479.54 and 9,452.28

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Solution

The fourth proportional to 26,979.90, 40,479.54 and 9,452.28 is: 14,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.90 : 40,479.54 = 9,452.28 : x
  2. Step 2: Convert to fraction form
    26,979.90/40,479.54 = 9,452.28/x
  3. Step 3: Cross multiply
    26,979.90x = 40,479.54 × 9,452.28
  4. Step 4: Simplify right side
    26,979.90x = 382,623,946.35
  5. Step 5: Solve for x
    x = 382,623,946.35/26,979.90
  6. Step 6: Final answer
    x = 14,181.81

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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.