Home / 20,652.57-30,891.38-14,004.09

Finding the Fourth Proportional to 20,652.57, 30,891.38 and 14,004.09

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Solution

The fourth proportional to 20,652.57, 30,891.38 and 14,004.09 is: 20,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,652.57 : 30,891.38 = 14,004.09 : x
  2. Step 2: Convert to fraction form
    20,652.57/30,891.38 = 14,004.09/x
  3. Step 3: Cross multiply
    20,652.57x = 30,891.38 × 14,004.09
  4. Step 4: Simplify right side
    20,652.57x = 432,605,595.72
  5. Step 5: Solve for x
    x = 432,605,595.72/20,652.57
  6. Step 6: Final answer
    x = 20,946.82

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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.