Home / 21,484.52-32,228.32-8,991.97

Finding the Fourth Proportional to 21,484.52, 32,228.32 and 8,991.97

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Solution

The fourth proportional to 21,484.52, 32,228.32 and 8,991.97 is: 13,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.52 : 32,228.32 = 8,991.97 : x
  2. Step 2: Convert to fraction form
    21,484.52/32,228.32 = 8,991.97/x
  3. Step 3: Cross multiply
    21,484.52x = 32,228.32 × 8,991.97
  4. Step 4: Simplify right side
    21,484.52x = 289,796,086.59
  5. Step 5: Solve for x
    x = 289,796,086.59/21,484.52
  6. Step 6: Final answer
    x = 13,488.60

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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.