Home / 28,750.91-43,123.52-9,028.94

Finding the Fourth Proportional to 28,750.91, 43,123.52 and 9,028.94

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Solution

The fourth proportional to 28,750.91, 43,123.52 and 9,028.94 is: 13,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.91 : 43,123.52 = 9,028.94 : x
  2. Step 2: Convert to fraction form
    28,750.91/43,123.52 = 9,028.94/x
  3. Step 3: Cross multiply
    28,750.91x = 43,123.52 × 9,028.94
  4. Step 4: Simplify right side
    28,750.91x = 389,359,481.62
  5. Step 5: Solve for x
    x = 389,359,481.62/28,750.91
  6. Step 6: Final answer
    x = 13,542.51

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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.