Home / 17,721.26-26,581.23-4,394.29

Finding the Fourth Proportional to 17,721.26, 26,581.23 and 4,394.29

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Solution

The fourth proportional to 17,721.26, 26,581.23 and 4,394.29 is: 6,591.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.26 : 26,581.23 = 4,394.29 : x
  2. Step 2: Convert to fraction form
    17,721.26/26,581.23 = 4,394.29/x
  3. Step 3: Cross multiply
    17,721.26x = 26,581.23 × 4,394.29
  4. Step 4: Simplify right side
    17,721.26x = 116,805,633.18
  5. Step 5: Solve for x
    x = 116,805,633.18/17,721.26
  6. Step 6: Final answer
    x = 6,591.27

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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.