Home / 25,605.68-38,408.53-16,838.55

Finding the Fourth Proportional to 25,605.68, 38,408.53 and 16,838.55

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Solution

The fourth proportional to 25,605.68, 38,408.53 and 16,838.55 is: 25,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.68 : 38,408.53 = 16,838.55 : x
  2. Step 2: Convert to fraction form
    25,605.68/38,408.53 = 16,838.55/x
  3. Step 3: Cross multiply
    25,605.68x = 38,408.53 × 16,838.55
  4. Step 4: Simplify right side
    25,605.68x = 646,743,676.60
  5. Step 5: Solve for x
    x = 646,743,676.60/25,605.68
  6. Step 6: Final answer
    x = 25,257.82

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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.