Home / 25,197.32-34,771.25-13,865.75

Finding the Fourth Proportional to 25,197.32, 34,771.25 and 13,865.75

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Solution

The fourth proportional to 25,197.32, 34,771.25 and 13,865.75 is: 19,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,197.32 : 34,771.25 = 13,865.75 : x
  2. Step 2: Convert to fraction form
    25,197.32/34,771.25 = 13,865.75/x
  3. Step 3: Cross multiply
    25,197.32x = 34,771.25 × 13,865.75
  4. Step 4: Simplify right side
    25,197.32x = 482,129,485.24
  5. Step 5: Solve for x
    x = 482,129,485.24/25,197.32
  6. Step 6: Final answer
    x = 19,134.16

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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.