Home / 25,288.52-34,911.26-18,474.88

Finding the Fourth Proportional to 25,288.52, 34,911.26 and 18,474.88

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Solution

The fourth proportional to 25,288.52, 34,911.26 and 18,474.88 is: 25,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.52 : 34,911.26 = 18,474.88 : x
  2. Step 2: Convert to fraction form
    25,288.52/34,911.26 = 18,474.88/x
  3. Step 3: Cross multiply
    25,288.52x = 34,911.26 × 18,474.88
  4. Step 4: Simplify right side
    25,288.52x = 644,981,339.15
  5. Step 5: Solve for x
    x = 644,981,339.15/25,288.52
  6. Step 6: Final answer
    x = 25,504.91

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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.