Home / 22,362.40-30,824.94-18,119.80

Finding the Fourth Proportional to 22,362.40, 30,824.94 and 18,119.80

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Solution

The fourth proportional to 22,362.40, 30,824.94 and 18,119.80 is: 24,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.40 : 30,824.94 = 18,119.80 : x
  2. Step 2: Convert to fraction form
    22,362.40/30,824.94 = 18,119.80/x
  3. Step 3: Cross multiply
    22,362.40x = 30,824.94 × 18,119.80
  4. Step 4: Simplify right side
    22,362.40x = 558,541,747.81
  5. Step 5: Solve for x
    x = 558,541,747.81/22,362.40
  6. Step 6: Final answer
    x = 24,976.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.