Home / 28,724.56-43,086.88-9,004.68

Finding the Fourth Proportional to 28,724.56, 43,086.88 and 9,004.68

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Solution

The fourth proportional to 28,724.56, 43,086.88 and 9,004.68 is: 13,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724.56 : 43,086.88 = 9,004.68 : x
  2. Step 2: Convert to fraction form
    28,724.56/43,086.88 = 9,004.68/x
  3. Step 3: Cross multiply
    28,724.56x = 43,086.88 × 9,004.68
  4. Step 4: Simplify right side
    28,724.56x = 387,983,566.60
  5. Step 5: Solve for x
    x = 387,983,566.60/28,724.56
  6. Step 6: Final answer
    x = 13,507.03

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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.