Home / 21,039.97-31,563.24-6,250.36

Finding the Fourth Proportional to 21,039.97, 31,563.24 and 6,250.36

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Solution

The fourth proportional to 21,039.97, 31,563.24 and 6,250.36 is: 9,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039.97 : 31,563.24 = 6,250.36 : x
  2. Step 2: Convert to fraction form
    21,039.97/31,563.24 = 6,250.36/x
  3. Step 3: Cross multiply
    21,039.97x = 31,563.24 × 6,250.36
  4. Step 4: Simplify right side
    21,039.97x = 197,281,612.77
  5. Step 5: Solve for x
    x = 197,281,612.77/21,039.97
  6. Step 6: Final answer
    x = 9,376.52

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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.