Home / 26,709.32-40,077.89-19,374.32

Finding the Fourth Proportional to 26,709.32, 40,077.89 and 19,374.32

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Solution

The fourth proportional to 26,709.32, 40,077.89 and 19,374.32 is: 29,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,709.32 : 40,077.89 = 19,374.32 : x
  2. Step 2: Convert to fraction form
    26,709.32/40,077.89 = 19,374.32/x
  3. Step 3: Cross multiply
    26,709.32x = 40,077.89 × 19,374.32
  4. Step 4: Simplify right side
    26,709.32x = 776,481,568.52
  5. Step 5: Solve for x
    x = 776,481,568.52/26,709.32
  6. Step 6: Final answer
    x = 29,071.56

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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.