Home / 28,029.24-38,678.04-17,416.80

Finding the Fourth Proportional to 28,029.24, 38,678.04 and 17,416.80

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Solution

The fourth proportional to 28,029.24, 38,678.04 and 17,416.80 is: 24,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.24 : 38,678.04 = 17,416.80 : x
  2. Step 2: Convert to fraction form
    28,029.24/38,678.04 = 17,416.80/x
  3. Step 3: Cross multiply
    28,029.24x = 38,678.04 × 17,416.80
  4. Step 4: Simplify right side
    28,029.24x = 673,647,687.07
  5. Step 5: Solve for x
    x = 673,647,687.07/28,029.24
  6. Step 6: Final answer
    x = 24,033.75

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1.5x scale

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.