Home / 28,771.38-43,153.99-7,713.53

Finding the Fourth Proportional to 28,771.38, 43,153.99 and 7,713.53

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Solution

The fourth proportional to 28,771.38, 43,153.99 and 7,713.53 is: 11,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771.38 : 43,153.99 = 7,713.53 : x
  2. Step 2: Convert to fraction form
    28,771.38/43,153.99 = 7,713.53/x
  3. Step 3: Cross multiply
    28,771.38x = 43,153.99 × 7,713.53
  4. Step 4: Simplify right side
    28,771.38x = 332,869,342.15
  5. Step 5: Solve for x
    x = 332,869,342.15/28,771.38
  6. Step 6: Final answer
    x = 11,569.46

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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.