Home / 27,687.60-41,537.76-7,966.32

Finding the Fourth Proportional to 27,687.60, 41,537.76 and 7,966.32

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Solution

The fourth proportional to 27,687.60, 41,537.76 and 7,966.32 is: 11,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.60 : 41,537.76 = 7,966.32 : x
  2. Step 2: Convert to fraction form
    27,687.60/41,537.76 = 7,966.32/x
  3. Step 3: Cross multiply
    27,687.60x = 41,537.76 × 7,966.32
  4. Step 4: Simplify right side
    27,687.60x = 330,903,088.24
  5. Step 5: Solve for x
    x = 330,903,088.24/27,687.60
  6. Step 6: Final answer
    x = 11,951.31

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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.