Home / 22,928.86-31,660.50-18,680.55

Finding the Fourth Proportional to 22,928.86, 31,660.50 and 18,680.55

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Solution

The fourth proportional to 22,928.86, 31,660.50 and 18,680.55 is: 25,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,928.86 : 31,660.50 = 18,680.55 : x
  2. Step 2: Convert to fraction form
    22,928.86/31,660.50 = 18,680.55/x
  3. Step 3: Cross multiply
    22,928.86x = 31,660.50 × 18,680.55
  4. Step 4: Simplify right side
    22,928.86x = 591,435,553.28
  5. Step 5: Solve for x
    x = 591,435,553.28/22,928.86
  6. Step 6: Final answer
    x = 25,794.37

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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.