Home / 27,802.08-41,666.96-21,204

Finding the Fourth Proportional to 27,802.08, 41,666.96 and 21,204

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Solution

The fourth proportional to 27,802.08, 41,666.96 and 21,204 is: 31,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.08 : 41,666.96 = 21,204 : x
  2. Step 2: Convert to fraction form
    27,802.08/41,666.96 = 21,204/x
  3. Step 3: Cross multiply
    27,802.08x = 41,666.96 × 21,204
  4. Step 4: Simplify right side
    27,802.08x = 883,506,219.84
  5. Step 5: Solve for x
    x = 883,506,219.84/27,802.08
  6. Step 6: Final answer
    x = 31,778.42

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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.