Home / 25,454.91-38,137.19-10,631.21

Finding the Fourth Proportional to 25,454.91, 38,137.19 and 10,631.21

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Solution

The fourth proportional to 25,454.91, 38,137.19 and 10,631.21 is: 15,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.91 : 38,137.19 = 10,631.21 : x
  2. Step 2: Convert to fraction form
    25,454.91/38,137.19 = 10,631.21/x
  3. Step 3: Cross multiply
    25,454.91x = 38,137.19 × 10,631.21
  4. Step 4: Simplify right side
    25,454.91x = 405,444,231.86
  5. Step 5: Solve for x
    x = 405,444,231.86/25,454.91
  6. Step 6: Final answer
    x = 15,927.94

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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.