Home / 28,663.39-43,052.38-17,288.05

Finding the Fourth Proportional to 28,663.39, 43,052.38 and 17,288.05

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Solution

The fourth proportional to 28,663.39, 43,052.38 and 17,288.05 is: 25,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.39 : 43,052.38 = 17,288.05 : x
  2. Step 2: Convert to fraction form
    28,663.39/43,052.38 = 17,288.05/x
  3. Step 3: Cross multiply
    28,663.39x = 43,052.38 × 17,288.05
  4. Step 4: Simplify right side
    28,663.39x = 744,291,698.06
  5. Step 5: Solve for x
    x = 744,291,698.06/28,663.39
  6. Step 6: Final answer
    x = 25,966.63

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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.