Home / 25,489.53-38,239.61-12,846.39

Finding the Fourth Proportional to 25,489.53, 38,239.61 and 12,846.39

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Solution

The fourth proportional to 25,489.53, 38,239.61 and 12,846.39 is: 19,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.53 : 38,239.61 = 12,846.39 : x
  2. Step 2: Convert to fraction form
    25,489.53/38,239.61 = 12,846.39/x
  3. Step 3: Cross multiply
    25,489.53x = 38,239.61 × 12,846.39
  4. Step 4: Simplify right side
    25,489.53x = 491,240,879.28
  5. Step 5: Solve for x
    x = 491,240,879.28/25,489.53
  6. Step 6: Final answer
    x = 19,272.26

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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.