Home / 21,511.36-32,267.22-5,929.84

Finding the Fourth Proportional to 21,511.36, 32,267.22 and 5,929.84

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Solution

The fourth proportional to 21,511.36, 32,267.22 and 5,929.84 is: 8,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.36 : 32,267.22 = 5,929.84 : x
  2. Step 2: Convert to fraction form
    21,511.36/32,267.22 = 5,929.84/x
  3. Step 3: Cross multiply
    21,511.36x = 32,267.22 × 5,929.84
  4. Step 4: Simplify right side
    21,511.36x = 191,339,451.84
  5. Step 5: Solve for x
    x = 191,339,451.84/21,511.36
  6. Step 6: Final answer
    x = 8,894.81

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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.