Home / 23,644.98-35,420.22-20,488.68

Finding the Fourth Proportional to 23,644.98, 35,420.22 and 20,488.68

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Solution

The fourth proportional to 23,644.98, 35,420.22 and 20,488.68 is: 30,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,644.98 : 35,420.22 = 20,488.68 : x
  2. Step 2: Convert to fraction form
    23,644.98/35,420.22 = 20,488.68/x
  3. Step 3: Cross multiply
    23,644.98x = 35,420.22 × 20,488.68
  4. Step 4: Simplify right side
    23,644.98x = 725,713,553.11
  5. Step 5: Solve for x
    x = 725,713,553.11/23,644.98
  6. Step 6: Final answer
    x = 30,692.08

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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.