Home / 27,669.60-38,183.60-15,732.69

Finding the Fourth Proportional to 27,669.60, 38,183.60 and 15,732.69

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Solution

The fourth proportional to 27,669.60, 38,183.60 and 15,732.69 is: 21,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.60 : 38,183.60 = 15,732.69 : x
  2. Step 2: Convert to fraction form
    27,669.60/38,183.60 = 15,732.69/x
  3. Step 3: Cross multiply
    27,669.60x = 38,183.60 × 15,732.69
  4. Step 4: Simplify right side
    27,669.60x = 600,730,741.88
  5. Step 5: Solve for x
    x = 600,730,741.88/27,669.60
  6. Step 6: Final answer
    x = 21,710.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.