Home / 28,263.87-39,009.94-16,325.55

Finding the Fourth Proportional to 28,263.87, 39,009.94 and 16,325.55

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Solution

The fourth proportional to 28,263.87, 39,009.94 and 16,325.55 is: 22,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.87 : 39,009.94 = 16,325.55 : x
  2. Step 2: Convert to fraction form
    28,263.87/39,009.94 = 16,325.55/x
  3. Step 3: Cross multiply
    28,263.87x = 39,009.94 × 16,325.55
  4. Step 4: Simplify right side
    28,263.87x = 636,858,685.15
  5. Step 5: Solve for x
    x = 636,858,685.15/28,263.87
  6. Step 6: Final answer
    x = 22,532.61

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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.