Home / 25,258.86-34,857.48-13,928.79

Finding the Fourth Proportional to 25,258.86, 34,857.48 and 13,928.79

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Solution

The fourth proportional to 25,258.86, 34,857.48 and 13,928.79 is: 19,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,258.86 : 34,857.48 = 13,928.79 : x
  2. Step 2: Convert to fraction form
    25,258.86/34,857.48 = 13,928.79/x
  3. Step 3: Cross multiply
    25,258.86x = 34,857.48 × 13,928.79
  4. Step 4: Simplify right side
    25,258.86x = 485,522,518.85
  5. Step 5: Solve for x
    x = 485,522,518.85/25,258.86
  6. Step 6: Final answer
    x = 19,221.87

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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.