Home / 17,871.27-26,807.10-5,391.41

Finding the Fourth Proportional to 17,871.27, 26,807.10 and 5,391.41

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Solution

The fourth proportional to 17,871.27, 26,807.10 and 5,391.41 is: 8,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.27 : 26,807.10 = 5,391.41 : x
  2. Step 2: Convert to fraction form
    17,871.27/26,807.10 = 5,391.41/x
  3. Step 3: Cross multiply
    17,871.27x = 26,807.10 × 5,391.41
  4. Step 4: Simplify right side
    17,871.27x = 144,527,932.98
  5. Step 5: Solve for x
    x = 144,527,932.98/17,871.27
  6. Step 6: Final answer
    x = 8,087.17

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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.