Home / 28,176.19-38,880.44-16,843.43

Finding the Fourth Proportional to 28,176.19, 38,880.44 and 16,843.43

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Solution

The fourth proportional to 28,176.19, 38,880.44 and 16,843.43 is: 23,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.19 : 38,880.44 = 16,843.43 : x
  2. Step 2: Convert to fraction form
    28,176.19/38,880.44 = 16,843.43/x
  3. Step 3: Cross multiply
    28,176.19x = 38,880.44 × 16,843.43
  4. Step 4: Simplify right side
    28,176.19x = 654,879,969.51
  5. Step 5: Solve for x
    x = 654,879,969.51/28,176.19
  6. Step 6: Final answer
    x = 23,242.32

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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.