Home / 25,289.39-34,896.86-13,958.15

Finding the Fourth Proportional to 25,289.39, 34,896.86 and 13,958.15

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Solution

The fourth proportional to 25,289.39, 34,896.86 and 13,958.15 is: 19,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.39 : 34,896.86 = 13,958.15 : x
  2. Step 2: Convert to fraction form
    25,289.39/34,896.86 = 13,958.15/x
  3. Step 3: Cross multiply
    25,289.39x = 34,896.86 × 13,958.15
  4. Step 4: Simplify right side
    25,289.39x = 487,095,597.68
  5. Step 5: Solve for x
    x = 487,095,597.68/25,289.39
  6. Step 6: Final answer
    x = 19,260.87

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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.