Home / 21,673.04-32,488.44-11,143.28

Finding the Fourth Proportional to 21,673.04, 32,488.44 and 11,143.28

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Solution

The fourth proportional to 21,673.04, 32,488.44 and 11,143.28 is: 16,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,673.04 : 32,488.44 = 11,143.28 : x
  2. Step 2: Convert to fraction form
    21,673.04/32,488.44 = 11,143.28/x
  3. Step 3: Cross multiply
    21,673.04x = 32,488.44 × 11,143.28
  4. Step 4: Simplify right side
    21,673.04x = 362,027,783.68
  5. Step 5: Solve for x
    x = 362,027,783.68/21,673.04
  6. Step 6: Final answer
    x = 16,704.06

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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.