Home / 28,723.56-43,085.38-9,003.68

Finding the Fourth Proportional to 28,723.56, 43,085.38 and 9,003.68

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Solution

The fourth proportional to 28,723.56, 43,085.38 and 9,003.68 is: 13,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.56 : 43,085.38 = 9,003.68 : x
  2. Step 2: Convert to fraction form
    28,723.56/43,085.38 = 9,003.68/x
  3. Step 3: Cross multiply
    28,723.56x = 43,085.38 × 9,003.68
  4. Step 4: Simplify right side
    28,723.56x = 387,926,974.20
  5. Step 5: Solve for x
    x = 387,926,974.20/28,723.56
  6. Step 6: Final answer
    x = 13,505.53

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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.