Home / 28,147.12-42,096.60-25,049.20

Finding the Fourth Proportional to 28,147.12, 42,096.60 and 25,049.20

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Solution

The fourth proportional to 28,147.12, 42,096.60 and 25,049.20 is: 37,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.12 : 42,096.60 = 25,049.20 : x
  2. Step 2: Convert to fraction form
    28,147.12/42,096.60 = 25,049.20/x
  3. Step 3: Cross multiply
    28,147.12x = 42,096.60 × 25,049.20
  4. Step 4: Simplify right side
    28,147.12x = 1,054,486,152.72
  5. Step 5: Solve for x
    x = 1,054,486,152.72/28,147.12
  6. Step 6: Final answer
    x = 37,463.38

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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.