Home / 21,267.24-31,905.45-6,477.32

Finding the Fourth Proportional to 21,267.24, 31,905.45 and 6,477.32

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Solution

The fourth proportional to 21,267.24, 31,905.45 and 6,477.32 is: 9,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.24 : 31,905.45 = 6,477.32 : x
  2. Step 2: Convert to fraction form
    21,267.24/31,905.45 = 6,477.32/x
  3. Step 3: Cross multiply
    21,267.24x = 31,905.45 × 6,477.32
  4. Step 4: Simplify right side
    21,267.24x = 206,661,649.87
  5. Step 5: Solve for x
    x = 206,661,649.87/21,267.24
  6. Step 6: Final answer
    x = 9,717.37

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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.