Home / 21,558.08-32,277.03-11,005.40

Finding the Fourth Proportional to 21,558.08, 32,277.03 and 11,005.40

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Solution

The fourth proportional to 21,558.08, 32,277.03 and 11,005.40 is: 16,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.08 : 32,277.03 = 11,005.40 : x
  2. Step 2: Convert to fraction form
    21,558.08/32,277.03 = 11,005.40/x
  3. Step 3: Cross multiply
    21,558.08x = 32,277.03 × 11,005.40
  4. Step 4: Simplify right side
    21,558.08x = 355,221,625.96
  5. Step 5: Solve for x
    x = 355,221,625.96/21,558.08
  6. Step 6: Final answer
    x = 16,477.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.