Home / 17,431.51-26,144.49-14,488.85

Finding the Fourth Proportional to 17,431.51, 26,144.49 and 14,488.85

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Solution

The fourth proportional to 17,431.51, 26,144.49 and 14,488.85 is: 21,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.51 : 26,144.49 = 14,488.85 : x
  2. Step 2: Convert to fraction form
    17,431.51/26,144.49 = 14,488.85/x
  3. Step 3: Cross multiply
    17,431.51x = 26,144.49 × 14,488.85
  4. Step 4: Simplify right side
    17,431.51x = 378,803,593.94
  5. Step 5: Solve for x
    x = 378,803,593.94/17,431.51
  6. Step 6: Final answer
    x = 21,730.97

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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.