Home / 28,150.20-42,182.10-23,743.80

Finding the Fourth Proportional to 28,150.20, 42,182.10 and 23,743.80

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Solution

The fourth proportional to 28,150.20, 42,182.10 and 23,743.80 is: 35,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.20 : 42,182.10 = 23,743.80 : x
  2. Step 2: Convert to fraction form
    28,150.20/42,182.10 = 23,743.80/x
  3. Step 3: Cross multiply
    28,150.20x = 42,182.10 × 23,743.80
  4. Step 4: Simplify right side
    28,150.20x = 1,001,563,345.98
  5. Step 5: Solve for x
    x = 1,001,563,345.98/28,150.20
  6. Step 6: Final answer
    x = 35,579.26

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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.