Home / 28,042.24-38,696.88-16,104.64

Finding the Fourth Proportional to 28,042.24, 38,696.88 and 16,104.64

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Solution

The fourth proportional to 28,042.24, 38,696.88 and 16,104.64 is: 22,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.24 : 38,696.88 = 16,104.64 : x
  2. Step 2: Convert to fraction form
    28,042.24/38,696.88 = 16,104.64/x
  3. Step 3: Cross multiply
    28,042.24x = 38,696.88 × 16,104.64
  4. Step 4: Simplify right side
    28,042.24x = 623,199,321.52
  5. Step 5: Solve for x
    x = 623,199,321.52/28,042.24
  6. Step 6: Final answer
    x = 22,223.59

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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.