Home / 21,634.60-32,409.82-14,216.72

Finding the Fourth Proportional to 21,634.60, 32,409.82 and 14,216.72

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Solution

The fourth proportional to 21,634.60, 32,409.82 and 14,216.72 is: 21,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.60 : 32,409.82 = 14,216.72 : x
  2. Step 2: Convert to fraction form
    21,634.60/32,409.82 = 14,216.72/x
  3. Step 3: Cross multiply
    21,634.60x = 32,409.82 × 14,216.72
  4. Step 4: Simplify right side
    21,634.60x = 460,761,336.19
  5. Step 5: Solve for x
    x = 460,761,336.19/21,634.60
  6. Step 6: Final answer
    x = 21,297.43

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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.