Home / 28,948.80-43,422.72-9,227.04

Finding the Fourth Proportional to 28,948.80, 43,422.72 and 9,227.04

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Solution

The fourth proportional to 28,948.80, 43,422.72 and 9,227.04 is: 13,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.80 : 43,422.72 = 9,227.04 : x
  2. Step 2: Convert to fraction form
    28,948.80/43,422.72 = 9,227.04/x
  3. Step 3: Cross multiply
    28,948.80x = 43,422.72 × 9,227.04
  4. Step 4: Simplify right side
    28,948.80x = 400,663,174.35
  5. Step 5: Solve for x
    x = 400,663,174.35/28,948.80
  6. Step 6: Final answer
    x = 13,840.41

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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.