Home / 36,015.60-54,023.40-13,829.70

Finding the Fourth Proportional to 36,015.60, 54,023.40 and 13,829.70

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Solution

The fourth proportional to 36,015.60, 54,023.40 and 13,829.70 is: 20,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.60 : 54,023.40 = 13,829.70 : x
  2. Step 2: Convert to fraction form
    36,015.60/54,023.40 = 13,829.70/x
  3. Step 3: Cross multiply
    36,015.60x = 54,023.40 × 13,829.70
  4. Step 4: Simplify right side
    36,015.60x = 747,127,414.98
  5. Step 5: Solve for x
    x = 747,127,414.98/36,015.60
  6. Step 6: Final answer
    x = 20,744.55

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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.