Home / 21,222.92-29,279.45-16,181.93

Finding the Fourth Proportional to 21,222.92, 29,279.45 and 16,181.93

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Solution

The fourth proportional to 21,222.92, 29,279.45 and 16,181.93 is: 22,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,222.92 : 29,279.45 = 16,181.93 : x
  2. Step 2: Convert to fraction form
    21,222.92/29,279.45 = 16,181.93/x
  3. Step 3: Cross multiply
    21,222.92x = 29,279.45 × 16,181.93
  4. Step 4: Simplify right side
    21,222.92x = 473,797,783.03
  5. Step 5: Solve for x
    x = 473,797,783.03/21,222.92
  6. Step 6: Final answer
    x = 22,324.82

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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.