Home / 20,926.03-28,867.21-13,364.41

Finding the Fourth Proportional to 20,926.03, 28,867.21 and 13,364.41

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Solution

The fourth proportional to 20,926.03, 28,867.21 and 13,364.41 is: 18,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926.03 : 28,867.21 = 13,364.41 : x
  2. Step 2: Convert to fraction form
    20,926.03/28,867.21 = 13,364.41/x
  3. Step 3: Cross multiply
    20,926.03x = 28,867.21 × 13,364.41
  4. Step 4: Simplify right side
    20,926.03x = 385,793,230.00
  5. Step 5: Solve for x
    x = 385,793,230.00/20,926.03
  6. Step 6: Final answer
    x = 18,436.04

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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.