Home / 21,785.27-30,049.35-17,301.92

Finding the Fourth Proportional to 21,785.27, 30,049.35 and 17,301.92

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Solution

The fourth proportional to 21,785.27, 30,049.35 and 17,301.92 is: 23,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,785.27 : 30,049.35 = 17,301.92 : x
  2. Step 2: Convert to fraction form
    21,785.27/30,049.35 = 17,301.92/x
  3. Step 3: Cross multiply
    21,785.27x = 30,049.35 × 17,301.92
  4. Step 4: Simplify right side
    21,785.27x = 519,911,449.75
  5. Step 5: Solve for x
    x = 519,911,449.75/21,785.27
  6. Step 6: Final answer
    x = 23,865.27

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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.