Home / 25,738.40-35,519.38-15,667.26

Finding the Fourth Proportional to 25,738.40, 35,519.38 and 15,667.26

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Solution

The fourth proportional to 25,738.40, 35,519.38 and 15,667.26 is: 21,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,738.40 : 35,519.38 = 15,667.26 : x
  2. Step 2: Convert to fraction form
    25,738.40/35,519.38 = 15,667.26/x
  3. Step 3: Cross multiply
    25,738.40x = 35,519.38 × 15,667.26
  4. Step 4: Simplify right side
    25,738.40x = 556,491,361.50
  5. Step 5: Solve for x
    x = 556,491,361.50/25,738.40
  6. Step 6: Final answer
    x = 21,621.05

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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.