Home / 28,135.35-42,213.96-27,713.00

Finding the Fourth Proportional to 28,135.35, 42,213.96 and 27,713.00

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Solution

The fourth proportional to 28,135.35, 42,213.96 and 27,713.00 is: 41,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135.35 : 42,213.96 = 27,713.00 : x
  2. Step 2: Convert to fraction form
    28,135.35/42,213.96 = 27,713.00/x
  3. Step 3: Cross multiply
    28,135.35x = 42,213.96 × 27,713.00
  4. Step 4: Simplify right side
    28,135.35x = 1,169,875,579.01
  5. Step 5: Solve for x
    x = 1,169,875,579.01/28,135.35
  6. Step 6: Final answer
    x = 41,580.27

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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.