Home / 17,391.21-26,028.48-14,271.09

Finding the Fourth Proportional to 17,391.21, 26,028.48 and 14,271.09

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Solution

The fourth proportional to 17,391.21, 26,028.48 and 14,271.09 is: 21,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.21 : 26,028.48 = 14,271.09 : x
  2. Step 2: Convert to fraction form
    17,391.21/26,028.48 = 14,271.09/x
  3. Step 3: Cross multiply
    17,391.21x = 26,028.48 × 14,271.09
  4. Step 4: Simplify right side
    17,391.21x = 371,454,780.64
  5. Step 5: Solve for x
    x = 371,454,780.64/17,391.21
  6. Step 6: Final answer
    x = 21,358.77

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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.