Home / 28,653.03-42,963.55-22,767.57

Finding the Fourth Proportional to 28,653.03, 42,963.55 and 22,767.57

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Solution

The fourth proportional to 28,653.03, 42,963.55 and 22,767.57 is: 34,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.03 : 42,963.55 = 22,767.57 : x
  2. Step 2: Convert to fraction form
    28,653.03/42,963.55 = 22,767.57/x
  3. Step 3: Cross multiply
    28,653.03x = 42,963.55 × 22,767.57
  4. Step 4: Simplify right side
    28,653.03x = 978,175,575.15
  5. Step 5: Solve for x
    x = 978,175,575.15/28,653.03
  6. Step 6: Final answer
    x = 34,138.64

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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.