Home / 20,633.82-30,895.26-16,980.18

Finding the Fourth Proportional to 20,633.82, 30,895.26 and 16,980.18

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Solution

The fourth proportional to 20,633.82, 30,895.26 and 16,980.18 is: 25,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.82 : 30,895.26 = 16,980.18 : x
  2. Step 2: Convert to fraction form
    20,633.82/30,895.26 = 16,980.18/x
  3. Step 3: Cross multiply
    20,633.82x = 30,895.26 × 16,980.18
  4. Step 4: Simplify right side
    20,633.82x = 524,607,075.95
  5. Step 5: Solve for x
    x = 524,607,075.95/20,633.82
  6. Step 6: Final answer
    x = 25,424.62

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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.