Home / 20,048.11-30,072.03-15,669.25

Finding the Fourth Proportional to 20,048.11, 30,072.03 and 15,669.25

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Solution

The fourth proportional to 20,048.11, 30,072.03 and 15,669.25 is: 23,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.11 : 30,072.03 = 15,669.25 : x
  2. Step 2: Convert to fraction form
    20,048.11/30,072.03 = 15,669.25/x
  3. Step 3: Cross multiply
    20,048.11x = 30,072.03 × 15,669.25
  4. Step 4: Simplify right side
    20,048.11x = 471,206,156.08
  5. Step 5: Solve for x
    x = 471,206,156.08/20,048.11
  6. Step 6: Final answer
    x = 23,503.77

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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.