Home / 25,357.91-34,982.12-16,408.29

Finding the Fourth Proportional to 25,357.91, 34,982.12 and 16,408.29

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Solution

The fourth proportional to 25,357.91, 34,982.12 and 16,408.29 is: 22,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.91 : 34,982.12 = 16,408.29 : x
  2. Step 2: Convert to fraction form
    25,357.91/34,982.12 = 16,408.29/x
  3. Step 3: Cross multiply
    25,357.91x = 34,982.12 × 16,408.29
  4. Step 4: Simplify right side
    25,357.91x = 573,996,687.73
  5. Step 5: Solve for x
    x = 573,996,687.73/25,357.91
  6. Step 6: Final answer
    x = 22,635.81

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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.