Home / 41,391.86-57,187.57-28,872.50

Finding the Fourth Proportional to 41,391.86, 57,187.57 and 28,872.50

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Solution

The fourth proportional to 41,391.86, 57,187.57 and 28,872.50 is: 39,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,391.86 : 57,187.57 = 28,872.50 : x
  2. Step 2: Convert to fraction form
    41,391.86/57,187.57 = 28,872.50/x
  3. Step 3: Cross multiply
    41,391.86x = 57,187.57 × 28,872.50
  4. Step 4: Simplify right side
    41,391.86x = 1,651,148,114.83
  5. Step 5: Solve for x
    x = 1,651,148,114.83/41,391.86
  6. Step 6: Final answer
    x = 39,890.65

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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.