Home / 25,325.82-34,950.85-15,257.42

Finding the Fourth Proportional to 25,325.82, 34,950.85 and 15,257.42

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Solution

The fourth proportional to 25,325.82, 34,950.85 and 15,257.42 is: 21,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.82 : 34,950.85 = 15,257.42 : x
  2. Step 2: Convert to fraction form
    25,325.82/34,950.85 = 15,257.42/x
  3. Step 3: Cross multiply
    25,325.82x = 34,950.85 × 15,257.42
  4. Step 4: Simplify right side
    25,325.82x = 533,259,584.91
  5. Step 5: Solve for x
    x = 533,259,584.91/25,325.82
  6. Step 6: Final answer
    x = 21,055.97

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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.