Home / 57,255.96-85,872.99-17,813.55

Finding the Fourth Proportional to 57,255.96, 85,872.99 and 17,813.55

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Solution

The fourth proportional to 57,255.96, 85,872.99 and 17,813.55 is: 26,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.96 : 85,872.99 = 17,813.55 : x
  2. Step 2: Convert to fraction form
    57,255.96/85,872.99 = 17,813.55/x
  3. Step 3: Cross multiply
    57,255.96x = 85,872.99 × 17,813.55
  4. Step 4: Simplify right side
    57,255.96x = 1,529,702,801.01
  5. Step 5: Solve for x
    x = 1,529,702,801.01/57,255.96
  6. Step 6: Final answer
    x = 26,716.92

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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.