Home / 23,280.60-34,899.12-8,485.80

Finding the Fourth Proportional to 23,280.60, 34,899.12 and 8,485.80

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Solution

The fourth proportional to 23,280.60, 34,899.12 and 8,485.80 is: 12,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.60 : 34,899.12 = 8,485.80 : x
  2. Step 2: Convert to fraction form
    23,280.60/34,899.12 = 8,485.80/x
  3. Step 3: Cross multiply
    23,280.60x = 34,899.12 × 8,485.80
  4. Step 4: Simplify right side
    23,280.60x = 296,146,952.50
  5. Step 5: Solve for x
    x = 296,146,952.50/23,280.60
  6. Step 6: Final answer
    x = 12,720.76

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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.