Home / 28,839.48-43,258.97-9,118.05

Finding the Fourth Proportional to 28,839.48, 43,258.97 and 9,118.05

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Solution

The fourth proportional to 28,839.48, 43,258.97 and 9,118.05 is: 13,676.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.48 : 43,258.97 = 9,118.05 : x
  2. Step 2: Convert to fraction form
    28,839.48/43,258.97 = 9,118.05/x
  3. Step 3: Cross multiply
    28,839.48x = 43,258.97 × 9,118.05
  4. Step 4: Simplify right side
    28,839.48x = 394,437,405.82
  5. Step 5: Solve for x
    x = 394,437,405.82/28,839.48
  6. Step 6: Final answer
    x = 13,676.99

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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.