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Finding the Fourth Proportional to 23,959.39, 35,939.39 and 13,427.77

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Solution

The fourth proportional to 23,959.39, 35,939.39 and 13,427.77 is: 20,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,959.39 : 35,939.39 = 13,427.77 : x
  2. Step 2: Convert to fraction form
    23,959.39/35,939.39 = 13,427.77/x
  3. Step 3: Cross multiply
    23,959.39x = 35,939.39 × 13,427.77
  4. Step 4: Simplify right side
    23,959.39x = 482,585,862.86
  5. Step 5: Solve for x
    x = 482,585,862.86/23,959.39
  6. Step 6: Final answer
    x = 20,141.83

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1.5x scale

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.