Home / 28,928.14-43,392.32-10,197.96

Finding the Fourth Proportional to 28,928.14, 43,392.32 and 10,197.96

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Solution

The fourth proportional to 28,928.14, 43,392.32 and 10,197.96 is: 15,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.14 : 43,392.32 = 10,197.96 : x
  2. Step 2: Convert to fraction form
    28,928.14/43,392.32 = 10,197.96/x
  3. Step 3: Cross multiply
    28,928.14x = 43,392.32 × 10,197.96
  4. Step 4: Simplify right side
    28,928.14x = 442,513,143.67
  5. Step 5: Solve for x
    x = 442,513,143.67/28,928.14
  6. Step 6: Final answer
    x = 15,296.98

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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.