Home / 28,016.10-41,975.55-18,150.30

Finding the Fourth Proportional to 28,016.10, 41,975.55 and 18,150.30

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Solution

The fourth proportional to 28,016.10, 41,975.55 and 18,150.30 is: 27,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.10 : 41,975.55 = 18,150.30 : x
  2. Step 2: Convert to fraction form
    28,016.10/41,975.55 = 18,150.30/x
  3. Step 3: Cross multiply
    28,016.10x = 41,975.55 × 18,150.30
  4. Step 4: Simplify right side
    28,016.10x = 761,868,825.17
  5. Step 5: Solve for x
    x = 761,868,825.17/28,016.10
  6. Step 6: Final answer
    x = 27,193.96

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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.