Home / 27,954.60-38,576.64-15,207.24

Finding the Fourth Proportional to 27,954.60, 38,576.64 and 15,207.24

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Solution

The fourth proportional to 27,954.60, 38,576.64 and 15,207.24 is: 20,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.60 : 38,576.64 = 15,207.24 : x
  2. Step 2: Convert to fraction form
    27,954.60/38,576.64 = 15,207.24/x
  3. Step 3: Cross multiply
    27,954.60x = 38,576.64 × 15,207.24
  4. Step 4: Simplify right side
    27,954.60x = 586,644,222.87
  5. Step 5: Solve for x
    x = 586,644,222.87/27,954.60
  6. Step 6: Final answer
    x = 20,985.61

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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.