Home / 28,783.17-43,180.65-11,012.58

Finding the Fourth Proportional to 28,783.17, 43,180.65 and 11,012.58

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Solution

The fourth proportional to 28,783.17, 43,180.65 and 11,012.58 is: 16,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.17 : 43,180.65 = 11,012.58 : x
  2. Step 2: Convert to fraction form
    28,783.17/43,180.65 = 11,012.58/x
  3. Step 3: Cross multiply
    28,783.17x = 43,180.65 × 11,012.58
  4. Step 4: Simplify right side
    28,783.17x = 475,530,362.58
  5. Step 5: Solve for x
    x = 475,530,362.58/28,783.17
  6. Step 6: Final answer
    x = 16,521.13

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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.