Home / 23,544.20-32,489.78-12,931.80

Finding the Fourth Proportional to 23,544.20, 32,489.78 and 12,931.80

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Solution

The fourth proportional to 23,544.20, 32,489.78 and 12,931.80 is: 17,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,544.20 : 32,489.78 = 12,931.80 : x
  2. Step 2: Convert to fraction form
    23,544.20/32,489.78 = 12,931.80/x
  3. Step 3: Cross multiply
    23,544.20x = 32,489.78 × 12,931.80
  4. Step 4: Simplify right side
    23,544.20x = 420,151,272.35
  5. Step 5: Solve for x
    x = 420,151,272.35/23,544.20
  6. Step 6: Final answer
    x = 17,845.22

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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.