Home / 21,998.52-32,979.24-14,958.81

Finding the Fourth Proportional to 21,998.52, 32,979.24 and 14,958.81

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Solution

The fourth proportional to 21,998.52, 32,979.24 and 14,958.81 is: 22,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.52 : 32,979.24 = 14,958.81 : x
  2. Step 2: Convert to fraction form
    21,998.52/32,979.24 = 14,958.81/x
  3. Step 3: Cross multiply
    21,998.52x = 32,979.24 × 14,958.81
  4. Step 4: Simplify right side
    21,998.52x = 493,330,185.10
  5. Step 5: Solve for x
    x = 493,330,185.10/21,998.52
  6. Step 6: Final answer
    x = 22,425.61

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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.