Home / 19,621.37-27,075.74-10,890.26

Finding the Fourth Proportional to 19,621.37, 27,075.74 and 10,890.26

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Solution

The fourth proportional to 19,621.37, 27,075.74 and 10,890.26 is: 15,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.37 : 27,075.74 = 10,890.26 : x
  2. Step 2: Convert to fraction form
    19,621.37/27,075.74 = 10,890.26/x
  3. Step 3: Cross multiply
    19,621.37x = 27,075.74 × 10,890.26
  4. Step 4: Simplify right side
    19,621.37x = 294,861,912.30
  5. Step 5: Solve for x
    x = 294,861,912.30/19,621.37
  6. Step 6: Final answer
    x = 15,027.59

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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.