Home / 20,680.52-31,001.33-10,826.26

Finding the Fourth Proportional to 20,680.52, 31,001.33 and 10,826.26

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Solution

The fourth proportional to 20,680.52, 31,001.33 and 10,826.26 is: 16,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,680.52 : 31,001.33 = 10,826.26 : x
  2. Step 2: Convert to fraction form
    20,680.52/31,001.33 = 10,826.26/x
  3. Step 3: Cross multiply
    20,680.52x = 31,001.33 × 10,826.26
  4. Step 4: Simplify right side
    20,680.52x = 335,628,408.49
  5. Step 5: Solve for x
    x = 335,628,408.49/20,680.52
  6. Step 6: Final answer
    x = 16,229.21

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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.