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Finding the Fourth Proportional to 26,271, 36,249.02 and 15,661.62

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Solution

The fourth proportional to 26,271, 36,249.02 and 15,661.62 is: 21,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271 : 36,249.02 = 15,661.62 : x
  2. Step 2: Convert to fraction form
    26,271/36,249.02 = 15,661.62/x
  3. Step 3: Cross multiply
    26,271x = 36,249.02 × 15,661.62
  4. Step 4: Simplify right side
    26,271x = 567,718,376.61
  5. Step 5: Solve for x
    x = 567,718,376.61/26,271
  6. Step 6: Final answer
    x = 21,610.08

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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.