Home / 28,867.42-39,834.76-16,119.60

Finding the Fourth Proportional to 28,867.42, 39,834.76 and 16,119.60

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Solution

The fourth proportional to 28,867.42, 39,834.76 and 16,119.60 is: 22,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.42 : 39,834.76 = 16,119.60 : x
  2. Step 2: Convert to fraction form
    28,867.42/39,834.76 = 16,119.60/x
  3. Step 3: Cross multiply
    28,867.42x = 39,834.76 × 16,119.60
  4. Step 4: Simplify right side
    28,867.42x = 642,120,397.30
  5. Step 5: Solve for x
    x = 642,120,397.30/28,867.42
  6. Step 6: Final answer
    x = 22,243.78

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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.