Home / 23,917.85-32,989.83-20,725.49

Finding the Fourth Proportional to 23,917.85, 32,989.83 and 20,725.49

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Solution

The fourth proportional to 23,917.85, 32,989.83 and 20,725.49 is: 28,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,917.85 : 32,989.83 = 20,725.49 : x
  2. Step 2: Convert to fraction form
    23,917.85/32,989.83 = 20,725.49/x
  3. Step 3: Cross multiply
    23,917.85x = 32,989.83 × 20,725.49
  4. Step 4: Simplify right side
    23,917.85x = 683,730,327.53
  5. Step 5: Solve for x
    x = 683,730,327.53/23,917.85
  6. Step 6: Final answer
    x = 28,586.61

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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.