Home / 28,823.60-43,218.10-11,272.52

Finding the Fourth Proportional to 28,823.60, 43,218.10 and 11,272.52

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Solution

The fourth proportional to 28,823.60, 43,218.10 and 11,272.52 is: 16,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.60 : 43,218.10 = 11,272.52 : x
  2. Step 2: Convert to fraction form
    28,823.60/43,218.10 = 11,272.52/x
  3. Step 3: Cross multiply
    28,823.60x = 43,218.10 × 11,272.52
  4. Step 4: Simplify right side
    28,823.60x = 487,176,896.61
  5. Step 5: Solve for x
    x = 487,176,896.61/28,823.60
  6. Step 6: Final answer
    x = 16,902.01

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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.