Home / 23,081.60-34,622.40-8,292.80

Finding the Fourth Proportional to 23,081.60, 34,622.40 and 8,292.80

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Solution

The fourth proportional to 23,081.60, 34,622.40 and 8,292.80 is: 12,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,081.60 : 34,622.40 = 8,292.80 : x
  2. Step 2: Convert to fraction form
    23,081.60/34,622.40 = 8,292.80/x
  3. Step 3: Cross multiply
    23,081.60x = 34,622.40 × 8,292.80
  4. Step 4: Simplify right side
    23,081.60x = 287,116,638.72
  5. Step 5: Solve for x
    x = 287,116,638.72/23,081.60
  6. Step 6: Final answer
    x = 12,439.20

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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.