Home / 25,311.56-34,928.42-15,243.26

Finding the Fourth Proportional to 25,311.56, 34,928.42 and 15,243.26

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Solution

The fourth proportional to 25,311.56, 34,928.42 and 15,243.26 is: 21,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,311.56 : 34,928.42 = 15,243.26 : x
  2. Step 2: Convert to fraction form
    25,311.56/34,928.42 = 15,243.26/x
  3. Step 3: Cross multiply
    25,311.56x = 34,928.42 × 15,243.26
  4. Step 4: Simplify right side
    25,311.56x = 532,422,736.59
  5. Step 5: Solve for x
    x = 532,422,736.59/25,311.56
  6. Step 6: Final answer
    x = 21,034.77

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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.