Home / 23,025.60-34,538.40-20,174.40

Finding the Fourth Proportional to 23,025.60, 34,538.40 and 20,174.40

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Solution

The fourth proportional to 23,025.60, 34,538.40 and 20,174.40 is: 30,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,025.60 : 34,538.40 = 20,174.40 : x
  2. Step 2: Convert to fraction form
    23,025.60/34,538.40 = 20,174.40/x
  3. Step 3: Cross multiply
    23,025.60x = 34,538.40 × 20,174.40
  4. Step 4: Simplify right side
    23,025.60x = 696,791,496.96
  5. Step 5: Solve for x
    x = 696,791,496.96/23,025.60
  6. Step 6: Final answer
    x = 30,261.60

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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.