Home / 28,955.22-43,442.55-9,236.58

Finding the Fourth Proportional to 28,955.22, 43,442.55 and 9,236.58

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Solution

The fourth proportional to 28,955.22, 43,442.55 and 9,236.58 is: 13,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955.22 : 43,442.55 = 9,236.58 : x
  2. Step 2: Convert to fraction form
    28,955.22/43,442.55 = 9,236.58/x
  3. Step 3: Cross multiply
    28,955.22x = 43,442.55 × 9,236.58
  4. Step 4: Simplify right side
    28,955.22x = 401,260,588.48
  5. Step 5: Solve for x
    x = 401,260,588.48/28,955.22
  6. Step 6: Final answer
    x = 13,857.97

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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.