Home / 28,747.55-43,128.50-10,027.85

Finding the Fourth Proportional to 28,747.55, 43,128.50 and 10,027.85

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Solution

The fourth proportional to 28,747.55, 43,128.50 and 10,027.85 is: 15,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.55 : 43,128.50 = 10,027.85 : x
  2. Step 2: Convert to fraction form
    28,747.55/43,128.50 = 10,027.85/x
  3. Step 3: Cross multiply
    28,747.55x = 43,128.50 × 10,027.85
  4. Step 4: Simplify right side
    28,747.55x = 432,486,128.73
  5. Step 5: Solve for x
    x = 432,486,128.73/28,747.55
  6. Step 6: Final answer
    x = 15,044.28

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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.