Home / 28,749.50-43,126.07-9,028.83

Finding the Fourth Proportional to 28,749.50, 43,126.07 and 9,028.83

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Solution

The fourth proportional to 28,749.50, 43,126.07 and 9,028.83 is: 13,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.50 : 43,126.07 = 9,028.83 : x
  2. Step 2: Convert to fraction form
    28,749.50/43,126.07 = 9,028.83/x
  3. Step 3: Cross multiply
    28,749.50x = 43,126.07 × 9,028.83
  4. Step 4: Simplify right side
    28,749.50x = 389,377,954.60
  5. Step 5: Solve for x
    x = 389,377,954.60/28,749.50
  6. Step 6: Final answer
    x = 13,543.82

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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.