Home / 28,355.41-39,126.54-16,414.39

Finding the Fourth Proportional to 28,355.41, 39,126.54 and 16,414.39

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Solution

The fourth proportional to 28,355.41, 39,126.54 and 16,414.39 is: 22,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.41 : 39,126.54 = 16,414.39 : x
  2. Step 2: Convert to fraction form
    28,355.41/39,126.54 = 16,414.39/x
  3. Step 3: Cross multiply
    28,355.41x = 39,126.54 × 16,414.39
  4. Step 4: Simplify right side
    28,355.41x = 642,238,286.91
  5. Step 5: Solve for x
    x = 642,238,286.91/28,355.41
  6. Step 6: Final answer
    x = 22,649.59

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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.