Home / 26,243.60-39,340.20-8,704.40

Finding the Fourth Proportional to 26,243.60, 39,340.20 and 8,704.40

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Solution

The fourth proportional to 26,243.60, 39,340.20 and 8,704.40 is: 13,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,243.60 : 39,340.20 = 8,704.40 : x
  2. Step 2: Convert to fraction form
    26,243.60/39,340.20 = 8,704.40/x
  3. Step 3: Cross multiply
    26,243.60x = 39,340.20 × 8,704.40
  4. Step 4: Simplify right side
    26,243.60x = 342,432,836.88
  5. Step 5: Solve for x
    x = 342,432,836.88/26,243.60
  6. Step 6: Final answer
    x = 13,048.24

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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.