Home / 28,286.96-42,365.82-13,506.26

Finding the Fourth Proportional to 28,286.96, 42,365.82 and 13,506.26

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Solution

The fourth proportional to 28,286.96, 42,365.82 and 13,506.26 is: 20,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286.96 : 42,365.82 = 13,506.26 : x
  2. Step 2: Convert to fraction form
    28,286.96/42,365.82 = 13,506.26/x
  3. Step 3: Cross multiply
    28,286.96x = 42,365.82 × 13,506.26
  4. Step 4: Simplify right side
    28,286.96x = 572,203,780.03
  5. Step 5: Solve for x
    x = 572,203,780.03/28,286.96
  6. Step 6: Final answer
    x = 20,228.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.