Home / 28,818.84-43,216.02-11,285.88

Finding the Fourth Proportional to 28,818.84, 43,216.02 and 11,285.88

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Solution

The fourth proportional to 28,818.84, 43,216.02 and 11,285.88 is: 16,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.84 : 43,216.02 = 11,285.88 : x
  2. Step 2: Convert to fraction form
    28,818.84/43,216.02 = 11,285.88/x
  3. Step 3: Cross multiply
    28,818.84x = 43,216.02 × 11,285.88
  4. Step 4: Simplify right side
    28,818.84x = 487,730,815.80
  5. Step 5: Solve for x
    x = 487,730,815.80/28,818.84
  6. Step 6: Final answer
    x = 16,924.03

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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.