Home / 28,858.76-43,291.86-10,137.44

Finding the Fourth Proportional to 28,858.76, 43,291.86 and 10,137.44

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Solution

The fourth proportional to 28,858.76, 43,291.86 and 10,137.44 is: 15,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.76 : 43,291.86 = 10,137.44 : x
  2. Step 2: Convert to fraction form
    28,858.76/43,291.86 = 10,137.44/x
  3. Step 3: Cross multiply
    28,858.76x = 43,291.86 × 10,137.44
  4. Step 4: Simplify right side
    28,858.76x = 438,868,633.24
  5. Step 5: Solve for x
    x = 438,868,633.24/28,858.76
  6. Step 6: Final answer
    x = 15,207.47

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1.5x scale

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.