Home / 26,947.76-40,512.87-21,719.48

Finding the Fourth Proportional to 26,947.76, 40,512.87 and 21,719.48

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Solution

The fourth proportional to 26,947.76, 40,512.87 and 21,719.48 is: 32,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.76 : 40,512.87 = 21,719.48 : x
  2. Step 2: Convert to fraction form
    26,947.76/40,512.87 = 21,719.48/x
  3. Step 3: Cross multiply
    26,947.76x = 40,512.87 × 21,719.48
  4. Step 4: Simplify right side
    26,947.76x = 879,918,267.14
  5. Step 5: Solve for x
    x = 879,918,267.14/26,947.76
  6. Step 6: Final answer
    x = 32,652.75

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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.