Home / 23,113.20-34,612.20-18,505.20

Finding the Fourth Proportional to 23,113.20, 34,612.20 and 18,505.20

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Solution

The fourth proportional to 23,113.20, 34,612.20 and 18,505.20 is: 27,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,113.20 : 34,612.20 = 18,505.20 : x
  2. Step 2: Convert to fraction form
    23,113.20/34,612.20 = 18,505.20/x
  3. Step 3: Cross multiply
    23,113.20x = 34,612.20 × 18,505.20
  4. Step 4: Simplify right side
    23,113.20x = 640,505,683.44
  5. Step 5: Solve for x
    x = 640,505,683.44/23,113.20
  6. Step 6: Final answer
    x = 27,711.68

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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.