Home / 28,738.84-39,659.96-16,163.59

Finding the Fourth Proportional to 28,738.84, 39,659.96 and 16,163.59

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Solution

The fourth proportional to 28,738.84, 39,659.96 and 16,163.59 is: 22,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.84 : 39,659.96 = 16,163.59 : x
  2. Step 2: Convert to fraction form
    28,738.84/39,659.96 = 16,163.59/x
  3. Step 3: Cross multiply
    28,738.84x = 39,659.96 × 16,163.59
  4. Step 4: Simplify right side
    28,738.84x = 641,047,332.86
  5. Step 5: Solve for x
    x = 641,047,332.86/28,738.84
  6. Step 6: Final answer
    x = 22,305.96

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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.