Home / 28,805.82-43,281.72-27,639.42

Finding the Fourth Proportional to 28,805.82, 43,281.72 and 27,639.42

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Solution

The fourth proportional to 28,805.82, 43,281.72 and 27,639.42 is: 41,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.82 : 43,281.72 = 27,639.42 : x
  2. Step 2: Convert to fraction form
    28,805.82/43,281.72 = 27,639.42/x
  3. Step 3: Cross multiply
    28,805.82x = 43,281.72 × 27,639.42
  4. Step 4: Simplify right side
    28,805.82x = 1,196,281,637.40
  5. Step 5: Solve for x
    x = 1,196,281,637.40/28,805.82
  6. Step 6: Final answer
    x = 41,529.16

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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.