Home / 20,464.34-28,244.26-15,114.56

Finding the Fourth Proportional to 20,464.34, 28,244.26 and 15,114.56

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Solution

The fourth proportional to 20,464.34, 28,244.26 and 15,114.56 is: 20,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.34 : 28,244.26 = 15,114.56 : x
  2. Step 2: Convert to fraction form
    20,464.34/28,244.26 = 15,114.56/x
  3. Step 3: Cross multiply
    20,464.34x = 28,244.26 × 15,114.56
  4. Step 4: Simplify right side
    20,464.34x = 426,899,562.43
  5. Step 5: Solve for x
    x = 426,899,562.43/20,464.34
  6. Step 6: Final answer
    x = 20,860.66

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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.