Home / 28,913.37-43,365.21-10,188.99

Finding the Fourth Proportional to 28,913.37, 43,365.21 and 10,188.99

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Solution

The fourth proportional to 28,913.37, 43,365.21 and 10,188.99 is: 15,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.37 : 43,365.21 = 10,188.99 : x
  2. Step 2: Convert to fraction form
    28,913.37/43,365.21 = 10,188.99/x
  3. Step 3: Cross multiply
    28,913.37x = 43,365.21 × 10,188.99
  4. Step 4: Simplify right side
    28,913.37x = 441,847,691.04
  5. Step 5: Solve for x
    x = 441,847,691.04/28,913.37
  6. Step 6: Final answer
    x = 15,281.78

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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.