Home / 28,863.22-43,296.39-9,140.29

Finding the Fourth Proportional to 28,863.22, 43,296.39 and 9,140.29

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Solution

The fourth proportional to 28,863.22, 43,296.39 and 9,140.29 is: 13,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863.22 : 43,296.39 = 9,140.29 : x
  2. Step 2: Convert to fraction form
    28,863.22/43,296.39 = 9,140.29/x
  3. Step 3: Cross multiply
    28,863.22x = 43,296.39 × 9,140.29
  4. Step 4: Simplify right side
    28,863.22x = 395,741,560.55
  5. Step 5: Solve for x
    x = 395,741,560.55/28,863.22
  6. Step 6: Final answer
    x = 13,710.93

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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.