Home / 27,777.02-38,324.69-15,836.00

Finding the Fourth Proportional to 27,777.02, 38,324.69 and 15,836.00

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Solution

The fourth proportional to 27,777.02, 38,324.69 and 15,836.00 is: 21,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.02 : 38,324.69 = 15,836.00 : x
  2. Step 2: Convert to fraction form
    27,777.02/38,324.69 = 15,836.00/x
  3. Step 3: Cross multiply
    27,777.02x = 38,324.69 × 15,836.00
  4. Step 4: Simplify right side
    27,777.02x = 606,909,520.04
  5. Step 5: Solve for x
    x = 606,909,520.04/27,777.02
  6. Step 6: Final answer
    x = 21,849.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.