Home / 20,363.26-30,499.77-15,648.58

Finding the Fourth Proportional to 20,363.26, 30,499.77 and 15,648.58

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Solution

The fourth proportional to 20,363.26, 30,499.77 and 15,648.58 is: 23,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.26 : 30,499.77 = 15,648.58 : x
  2. Step 2: Convert to fraction form
    20,363.26/30,499.77 = 15,648.58/x
  3. Step 3: Cross multiply
    20,363.26x = 30,499.77 × 15,648.58
  4. Step 4: Simplify right side
    20,363.26x = 477,278,090.83
  5. Step 5: Solve for x
    x = 477,278,090.83/20,363.26
  6. Step 6: Final answer
    x = 23,438.20

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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.