Home / 21,157.20-29,163.06-16,673.52

Finding the Fourth Proportional to 21,157.20, 29,163.06 and 16,673.52

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Solution

The fourth proportional to 21,157.20, 29,163.06 and 16,673.52 is: 22,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,157.20 : 29,163.06 = 16,673.52 : x
  2. Step 2: Convert to fraction form
    21,157.20/29,163.06 = 16,673.52/x
  3. Step 3: Cross multiply
    21,157.20x = 29,163.06 × 16,673.52
  4. Step 4: Simplify right side
    21,157.20x = 486,250,864.17
  5. Step 5: Solve for x
    x = 486,250,864.17/21,157.20
  6. Step 6: Final answer
    x = 22,982.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.