Home / 28,805.14-43,207.71-9,085.69

Finding the Fourth Proportional to 28,805.14, 43,207.71 and 9,085.69

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Solution

The fourth proportional to 28,805.14, 43,207.71 and 9,085.69 is: 13,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.14 : 43,207.71 = 9,085.69 : x
  2. Step 2: Convert to fraction form
    28,805.14/43,207.71 = 9,085.69/x
  3. Step 3: Cross multiply
    28,805.14x = 43,207.71 × 9,085.69
  4. Step 4: Simplify right side
    28,805.14x = 392,571,858.67
  5. Step 5: Solve for x
    x = 392,571,858.67/28,805.14
  6. Step 6: Final answer
    x = 13,628.54

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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.