Home / 27,029.52-40,564.88-21,777.36

Finding the Fourth Proportional to 27,029.52, 40,564.88 and 21,777.36

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Solution

The fourth proportional to 27,029.52, 40,564.88 and 21,777.36 is: 32,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,029.52 : 40,564.88 = 21,777.36 : x
  2. Step 2: Convert to fraction form
    27,029.52/40,564.88 = 21,777.36/x
  3. Step 3: Cross multiply
    27,029.52x = 40,564.88 × 21,777.36
  4. Step 4: Simplify right side
    27,029.52x = 883,395,995.12
  5. Step 5: Solve for x
    x = 883,395,995.12/27,029.52
  6. Step 6: Final answer
    x = 32,682.64

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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.