Home / 57,255.45-85,883.78-15,702.45

Finding the Fourth Proportional to 57,255.45, 85,883.78 and 15,702.45

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Solution

The fourth proportional to 57,255.45, 85,883.78 and 15,702.45 is: 23,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.45 : 85,883.78 = 15,702.45 : x
  2. Step 2: Convert to fraction form
    57,255.45/85,883.78 = 15,702.45/x
  3. Step 3: Cross multiply
    57,255.45x = 85,883.78 × 15,702.45
  4. Step 4: Simplify right side
    57,255.45x = 1,348,585,682.75
  5. Step 5: Solve for x
    x = 1,348,585,682.75/57,255.45
  6. Step 6: Final answer
    x = 23,553.84

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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.