Home / 20,827.24-31,234.32-6,973

Finding the Fourth Proportional to 20,827.24, 31,234.32 and 6,973

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Solution

The fourth proportional to 20,827.24, 31,234.32 and 6,973 is: 10,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,827.24 : 31,234.32 = 6,973 : x
  2. Step 2: Convert to fraction form
    20,827.24/31,234.32 = 6,973/x
  3. Step 3: Cross multiply
    20,827.24x = 31,234.32 × 6,973
  4. Step 4: Simplify right side
    20,827.24x = 217,796,913.36
  5. Step 5: Solve for x
    x = 217,796,913.36/20,827.24
  6. Step 6: Final answer
    x = 10,457.31

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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.