Home / 28,999.26-40,018.56-16,253.58

Finding the Fourth Proportional to 28,999.26, 40,018.56 and 16,253.58

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Solution

The fourth proportional to 28,999.26, 40,018.56 and 16,253.58 is: 22,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.26 : 40,018.56 = 16,253.58 : x
  2. Step 2: Convert to fraction form
    28,999.26/40,018.56 = 16,253.58/x
  3. Step 3: Cross multiply
    28,999.26x = 40,018.56 × 16,253.58
  4. Step 4: Simplify right side
    28,999.26x = 650,444,866.44
  5. Step 5: Solve for x
    x = 650,444,866.44/28,999.26
  6. Step 6: Final answer
    x = 22,429.71

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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.