Home / 25,643.75-38,533.27-13,806.27

Finding the Fourth Proportional to 25,643.75, 38,533.27 and 13,806.27

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Solution

The fourth proportional to 25,643.75, 38,533.27 and 13,806.27 is: 20,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.75 : 38,533.27 = 13,806.27 : x
  2. Step 2: Convert to fraction form
    25,643.75/38,533.27 = 13,806.27/x
  3. Step 3: Cross multiply
    25,643.75x = 38,533.27 × 13,806.27
  4. Step 4: Simplify right side
    25,643.75x = 532,000,729.60
  5. Step 5: Solve for x
    x = 532,000,729.60/25,643.75
  6. Step 6: Final answer
    x = 20,745.83

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1.5x scale

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.