Home / 20,433.24-30,637.50-13,322.75

Finding the Fourth Proportional to 20,433.24, 30,637.50 and 13,322.75

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Solution

The fourth proportional to 20,433.24, 30,637.50 and 13,322.75 is: 19,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.24 : 30,637.50 = 13,322.75 : x
  2. Step 2: Convert to fraction form
    20,433.24/30,637.50 = 13,322.75/x
  3. Step 3: Cross multiply
    20,433.24x = 30,637.50 × 13,322.75
  4. Step 4: Simplify right side
    20,433.24x = 408,175,753.13
  5. Step 5: Solve for x
    x = 408,175,753.13/20,433.24
  6. Step 6: Final answer
    x = 19,976.07

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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.