Home / 36,188.12-54,219.87-28,287.56

Finding the Fourth Proportional to 36,188.12, 54,219.87 and 28,287.56

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Solution

The fourth proportional to 36,188.12, 54,219.87 and 28,287.56 is: 42,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,188.12 : 54,219.87 = 28,287.56 : x
  2. Step 2: Convert to fraction form
    36,188.12/54,219.87 = 28,287.56/x
  3. Step 3: Cross multiply
    36,188.12x = 54,219.87 × 28,287.56
  4. Step 4: Simplify right side
    36,188.12x = 1,533,747,554.72
  5. Step 5: Solve for x
    x = 1,533,747,554.72/36,188.12
  6. Step 6: Final answer
    x = 42,382.63

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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.