Home / 28,252.22-38,987.64-16,152.57

Finding the Fourth Proportional to 28,252.22, 38,987.64 and 16,152.57

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Solution

The fourth proportional to 28,252.22, 38,987.64 and 16,152.57 is: 22,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.22 : 38,987.64 = 16,152.57 : x
  2. Step 2: Convert to fraction form
    28,252.22/38,987.64 = 16,152.57/x
  3. Step 3: Cross multiply
    28,252.22x = 38,987.64 × 16,152.57
  4. Step 4: Simplify right side
    28,252.22x = 629,750,584.23
  5. Step 5: Solve for x
    x = 629,750,584.23/28,252.22
  6. Step 6: Final answer
    x = 22,290.31

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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.