Home / 23,170.60-34,739.42-18,778.40

Finding the Fourth Proportional to 23,170.60, 34,739.42 and 18,778.40

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Solution

The fourth proportional to 23,170.60, 34,739.42 and 18,778.40 is: 28,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.60 : 34,739.42 = 18,778.40 : x
  2. Step 2: Convert to fraction form
    23,170.60/34,739.42 = 18,778.40/x
  3. Step 3: Cross multiply
    23,170.60x = 34,739.42 × 18,778.40
  4. Step 4: Simplify right side
    23,170.60x = 652,350,724.53
  5. Step 5: Solve for x
    x = 652,350,724.53/23,170.60
  6. Step 6: Final answer
    x = 28,154.24

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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.