Home / 27,731.48-41,586.59-21,820.00

Finding the Fourth Proportional to 27,731.48, 41,586.59 and 21,820.00

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Solution

The fourth proportional to 27,731.48, 41,586.59 and 21,820.00 is: 32,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.48 : 41,586.59 = 21,820.00 : x
  2. Step 2: Convert to fraction form
    27,731.48/41,586.59 = 21,820.00/x
  3. Step 3: Cross multiply
    27,731.48x = 41,586.59 × 21,820.00
  4. Step 4: Simplify right side
    27,731.48x = 907,419,500.33
  5. Step 5: Solve for x
    x = 907,419,500.33/27,731.48
  6. Step 6: Final answer
    x = 32,721.64

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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.