Home / 28,350.39-39,123.54-16,414.35

Finding the Fourth Proportional to 28,350.39, 39,123.54 and 16,414.35

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Solution

The fourth proportional to 28,350.39, 39,123.54 and 16,414.35 is: 22,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.39 : 39,123.54 = 16,414.35 : x
  2. Step 2: Convert to fraction form
    28,350.39/39,123.54 = 16,414.35/x
  3. Step 3: Cross multiply
    28,350.39x = 39,123.54 × 16,414.35
  4. Step 4: Simplify right side
    28,350.39x = 642,187,478.80
  5. Step 5: Solve for x
    x = 642,187,478.80/28,350.39
  6. Step 6: Final answer
    x = 22,651.80

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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.