Home / 28,964.25-43,349.94-21,905.37

Finding the Fourth Proportional to 28,964.25, 43,349.94 and 21,905.37

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Solution

The fourth proportional to 28,964.25, 43,349.94 and 21,905.37 is: 32,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.25 : 43,349.94 = 21,905.37 : x
  2. Step 2: Convert to fraction form
    28,964.25/43,349.94 = 21,905.37/x
  3. Step 3: Cross multiply
    28,964.25x = 43,349.94 × 21,905.37
  4. Step 4: Simplify right side
    28,964.25x = 949,596,475.18
  5. Step 5: Solve for x
    x = 949,596,475.18/28,964.25
  6. Step 6: Final answer
    x = 32,785.12

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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.