Home / 26,947.88-37,188.16-15,619.60

Finding the Fourth Proportional to 26,947.88, 37,188.16 and 15,619.60

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Solution

The fourth proportional to 26,947.88, 37,188.16 and 15,619.60 is: 21,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.88 : 37,188.16 = 15,619.60 : x
  2. Step 2: Convert to fraction form
    26,947.88/37,188.16 = 15,619.60/x
  3. Step 3: Cross multiply
    26,947.88x = 37,188.16 × 15,619.60
  4. Step 4: Simplify right side
    26,947.88x = 580,864,183.94
  5. Step 5: Solve for x
    x = 580,864,183.94/26,947.88
  6. Step 6: Final answer
    x = 21,555.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.