Home / 28,184.44-42,211.68-20,237.64

Finding the Fourth Proportional to 28,184.44, 42,211.68 and 20,237.64

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Solution

The fourth proportional to 28,184.44, 42,211.68 and 20,237.64 is: 30,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.44 : 42,211.68 = 20,237.64 : x
  2. Step 2: Convert to fraction form
    28,184.44/42,211.68 = 20,237.64/x
  3. Step 3: Cross multiply
    28,184.44x = 42,211.68 × 20,237.64
  4. Step 4: Simplify right side
    28,184.44x = 854,264,783.64
  5. Step 5: Solve for x
    x = 854,264,783.64/28,184.44
  6. Step 6: Final answer
    x = 30,309.80

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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.