Home / 28,825.28-43,214.88-11,291.84

Finding the Fourth Proportional to 28,825.28, 43,214.88 and 11,291.84

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Solution

The fourth proportional to 28,825.28, 43,214.88 and 11,291.84 is: 16,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.28 : 43,214.88 = 11,291.84 : x
  2. Step 2: Convert to fraction form
    28,825.28/43,214.88 = 11,291.84/x
  3. Step 3: Cross multiply
    28,825.28x = 43,214.88 × 11,291.84
  4. Step 4: Simplify right side
    28,825.28x = 487,975,510.58
  5. Step 5: Solve for x
    x = 487,975,510.58/28,825.28
  6. Step 6: Final answer
    x = 16,928.73

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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.