Home / 28,928.64-43,396.16-9,202.61

Finding the Fourth Proportional to 28,928.64, 43,396.16 and 9,202.61

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Solution

The fourth proportional to 28,928.64, 43,396.16 and 9,202.61 is: 13,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.64 : 43,396.16 = 9,202.61 : x
  2. Step 2: Convert to fraction form
    28,928.64/43,396.16 = 9,202.61/x
  3. Step 3: Cross multiply
    28,928.64x = 43,396.16 × 9,202.61
  4. Step 4: Simplify right side
    28,928.64x = 399,357,998.45
  5. Step 5: Solve for x
    x = 399,357,998.45/28,928.64
  6. Step 6: Final answer
    x = 13,804.93

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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.