Home / 28,789.48-43,185.76-9,069.58

Finding the Fourth Proportional to 28,789.48, 43,185.76 and 9,069.58

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Solution

The fourth proportional to 28,789.48, 43,185.76 and 9,069.58 is: 13,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.48 : 43,185.76 = 9,069.58 : x
  2. Step 2: Convert to fraction form
    28,789.48/43,185.76 = 9,069.58/x
  3. Step 3: Cross multiply
    28,789.48x = 43,185.76 × 9,069.58
  4. Step 4: Simplify right side
    28,789.48x = 391,676,705.18
  5. Step 5: Solve for x
    x = 391,676,705.18/28,789.48
  6. Step 6: Final answer
    x = 13,604.86

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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.