Home / 28,187.08-42,301.15-22,706.62

Finding the Fourth Proportional to 28,187.08, 42,301.15 and 22,706.62

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Solution

The fourth proportional to 28,187.08, 42,301.15 and 22,706.62 is: 34,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.08 : 42,301.15 = 22,706.62 : x
  2. Step 2: Convert to fraction form
    28,187.08/42,301.15 = 22,706.62/x
  3. Step 3: Cross multiply
    28,187.08x = 42,301.15 × 22,706.62
  4. Step 4: Simplify right side
    28,187.08x = 960,515,976.09
  5. Step 5: Solve for x
    x = 960,515,976.09/28,187.08
  6. Step 6: Final answer
    x = 34,076.47

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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.