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Finding the Fourth Proportional to 28,743.44, 43,115.06 and 9,023.46

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Solution

The fourth proportional to 28,743.44, 43,115.06 and 9,023.46 is: 13,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.44 : 43,115.06 = 9,023.46 : x
  2. Step 2: Convert to fraction form
    28,743.44/43,115.06 = 9,023.46/x
  3. Step 3: Cross multiply
    28,743.44x = 43,115.06 × 9,023.46
  4. Step 4: Simplify right side
    28,743.44x = 389,046,974.19
  5. Step 5: Solve for x
    x = 389,046,974.19/28,743.44
  6. Step 6: Final answer
    x = 13,535.16

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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.