Home / 28,928.34-43,394.43-11,167.47

Finding the Fourth Proportional to 28,928.34, 43,394.43 and 11,167.47

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Solution

The fourth proportional to 28,928.34, 43,394.43 and 11,167.47 is: 16,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.34 : 43,394.43 = 11,167.47 : x
  2. Step 2: Convert to fraction form
    28,928.34/43,394.43 = 11,167.47/x
  3. Step 3: Cross multiply
    28,928.34x = 43,394.43 × 11,167.47
  4. Step 4: Simplify right side
    28,928.34x = 484,606,037.07
  5. Step 5: Solve for x
    x = 484,606,037.07/28,928.34
  6. Step 6: Final answer
    x = 16,751.95

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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.