Home / 28,923.28-43,397.34-9,203.44

Finding the Fourth Proportional to 28,923.28, 43,397.34 and 9,203.44

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Solution

The fourth proportional to 28,923.28, 43,397.34 and 9,203.44 is: 13,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.28 : 43,397.34 = 9,203.44 : x
  2. Step 2: Convert to fraction form
    28,923.28/43,397.34 = 9,203.44/x
  3. Step 3: Cross multiply
    28,923.28x = 43,397.34 × 9,203.44
  4. Step 4: Simplify right side
    28,923.28x = 399,404,814.85
  5. Step 5: Solve for x
    x = 399,404,814.85/28,923.28
  6. Step 6: Final answer
    x = 13,809.11

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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.