Home / 28,131.92-38,796.36-24,151.76

Finding the Fourth Proportional to 28,131.92, 38,796.36 and 24,151.76

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Solution

The fourth proportional to 28,131.92, 38,796.36 and 24,151.76 is: 33,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,131.92 : 38,796.36 = 24,151.76 : x
  2. Step 2: Convert to fraction form
    28,131.92/38,796.36 = 24,151.76/x
  3. Step 3: Cross multiply
    28,131.92x = 38,796.36 × 24,151.76
  4. Step 4: Simplify right side
    28,131.92x = 937,000,375.59
  5. Step 5: Solve for x
    x = 937,000,375.59/28,131.92
  6. Step 6: Final answer
    x = 33,307.37

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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.