Home / 28,010.41-38,658.26-16,078.50

Finding the Fourth Proportional to 28,010.41, 38,658.26 and 16,078.50

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Solution

The fourth proportional to 28,010.41, 38,658.26 and 16,078.50 is: 22,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.41 : 38,658.26 = 16,078.50 : x
  2. Step 2: Convert to fraction form
    28,010.41/38,658.26 = 16,078.50/x
  3. Step 3: Cross multiply
    28,010.41x = 38,658.26 × 16,078.50
  4. Step 4: Simplify right side
    28,010.41x = 621,566,873.61
  5. Step 5: Solve for x
    x = 621,566,873.61/28,010.41
  6. Step 6: Final answer
    x = 22,190.57

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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.