Home / 28,822.60-43,216.60-11,271.52

Finding the Fourth Proportional to 28,822.60, 43,216.60 and 11,271.52

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Solution

The fourth proportional to 28,822.60, 43,216.60 and 11,271.52 is: 16,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.60 : 43,216.60 = 11,271.52 : x
  2. Step 2: Convert to fraction form
    28,822.60/43,216.60 = 11,271.52/x
  3. Step 3: Cross multiply
    28,822.60x = 43,216.60 × 11,271.52
  4. Step 4: Simplify right side
    28,822.60x = 487,116,771.23
  5. Step 5: Solve for x
    x = 487,116,771.23/28,822.60
  6. Step 6: Final answer
    x = 16,900.51

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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.