Home / 28,289.21-39,046.13-16,350.83

Finding the Fourth Proportional to 28,289.21, 39,046.13 and 16,350.83

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Solution

The fourth proportional to 28,289.21, 39,046.13 and 16,350.83 is: 22,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.21 : 39,046.13 = 16,350.83 : x
  2. Step 2: Convert to fraction form
    28,289.21/39,046.13 = 16,350.83/x
  3. Step 3: Cross multiply
    28,289.21x = 39,046.13 × 16,350.83
  4. Step 4: Simplify right side
    28,289.21x = 638,436,356.80
  5. Step 5: Solve for x
    x = 638,436,356.80/28,289.21
  6. Step 6: Final answer
    x = 22,568.20

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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.