Home / 28,391.54-39,178.42-16,452.74

Finding the Fourth Proportional to 28,391.54, 39,178.42 and 16,452.74

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Solution

The fourth proportional to 28,391.54, 39,178.42 and 16,452.74 is: 22,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391.54 : 39,178.42 = 16,452.74 : x
  2. Step 2: Convert to fraction form
    28,391.54/39,178.42 = 16,452.74/x
  3. Step 3: Cross multiply
    28,391.54x = 39,178.42 × 16,452.74
  4. Step 4: Simplify right side
    28,391.54x = 644,592,357.87
  5. Step 5: Solve for x
    x = 644,592,357.87/28,391.54
  6. Step 6: Final answer
    x = 22,703.68

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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.