Home / 28,839.39-43,258.83-9,117.96

Finding the Fourth Proportional to 28,839.39, 43,258.83 and 9,117.96

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Solution

The fourth proportional to 28,839.39, 43,258.83 and 9,117.96 is: 13,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.39 : 43,258.83 = 9,117.96 : x
  2. Step 2: Convert to fraction form
    28,839.39/43,258.83 = 9,117.96/x
  3. Step 3: Cross multiply
    28,839.39x = 43,258.83 × 9,117.96
  4. Step 4: Simplify right side
    28,839.39x = 394,432,136.46
  5. Step 5: Solve for x
    x = 394,432,136.46/28,839.39
  6. Step 6: Final answer
    x = 13,676.85

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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.