Home / 19,324.28-28,992.20-11,110.52

Finding the Fourth Proportional to 19,324.28, 28,992.20 and 11,110.52

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Solution

The fourth proportional to 19,324.28, 28,992.20 and 11,110.52 is: 16,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.28 : 28,992.20 = 11,110.52 : x
  2. Step 2: Convert to fraction form
    19,324.28/28,992.20 = 11,110.52/x
  3. Step 3: Cross multiply
    19,324.28x = 28,992.20 × 11,110.52
  4. Step 4: Simplify right side
    19,324.28x = 322,118,417.94
  5. Step 5: Solve for x
    x = 322,118,417.94/19,324.28
  6. Step 6: Final answer
    x = 16,669.10

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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.