Home / 21,446.40-32,149.44-11,055.36

Finding the Fourth Proportional to 21,446.40, 32,149.44 and 11,055.36

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Solution

The fourth proportional to 21,446.40, 32,149.44 and 11,055.36 is: 16,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.40 : 32,149.44 = 11,055.36 : x
  2. Step 2: Convert to fraction form
    21,446.40/32,149.44 = 11,055.36/x
  3. Step 3: Cross multiply
    21,446.40x = 32,149.44 × 11,055.36
  4. Step 4: Simplify right side
    21,446.40x = 355,423,633.00
  5. Step 5: Solve for x
    x = 355,423,633.00/21,446.40
  6. Step 6: Final answer
    x = 16,572.65

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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.