Home / 19,946.64-27,516.24-15,222.72

Finding the Fourth Proportional to 19,946.64, 27,516.24 and 15,222.72

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Solution

The fourth proportional to 19,946.64, 27,516.24 and 15,222.72 is: 20,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.64 : 27,516.24 = 15,222.72 : x
  2. Step 2: Convert to fraction form
    19,946.64/27,516.24 = 15,222.72/x
  3. Step 3: Cross multiply
    19,946.64x = 27,516.24 × 15,222.72
  4. Step 4: Simplify right side
    19,946.64x = 418,872,016.97
  5. Step 5: Solve for x
    x = 418,872,016.97/19,946.64
  6. Step 6: Final answer
    x = 20,999.63

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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.