Home / 23,080.40-34,620.60-8,289.80

Finding the Fourth Proportional to 23,080.40, 34,620.60 and 8,289.80

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Solution

The fourth proportional to 23,080.40, 34,620.60 and 8,289.80 is: 12,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,080.40 : 34,620.60 = 8,289.80 : x
  2. Step 2: Convert to fraction form
    23,080.40/34,620.60 = 8,289.80/x
  3. Step 3: Cross multiply
    23,080.40x = 34,620.60 × 8,289.80
  4. Step 4: Simplify right side
    23,080.40x = 286,997,849.88
  5. Step 5: Solve for x
    x = 286,997,849.88/23,080.40
  6. Step 6: Final answer
    x = 12,434.70

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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.