Home / 28,856.32-43,299.72-20,476.96

Finding the Fourth Proportional to 28,856.32, 43,299.72 and 20,476.96

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Solution

The fourth proportional to 28,856.32, 43,299.72 and 20,476.96 is: 30,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.32 : 43,299.72 = 20,476.96 : x
  2. Step 2: Convert to fraction form
    28,856.32/43,299.72 = 20,476.96/x
  3. Step 3: Cross multiply
    28,856.32x = 43,299.72 × 20,476.96
  4. Step 4: Simplify right side
    28,856.32x = 886,646,634.45
  5. Step 5: Solve for x
    x = 886,646,634.45/28,856.32
  6. Step 6: Final answer
    x = 30,726.25

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