Home / 23,047.20-34,570.80-8,256.60

Finding the Fourth Proportional to 23,047.20, 34,570.80 and 8,256.60

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Solution

The fourth proportional to 23,047.20, 34,570.80 and 8,256.60 is: 12,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,047.20 : 34,570.80 = 8,256.60 : x
  2. Step 2: Convert to fraction form
    23,047.20/34,570.80 = 8,256.60/x
  3. Step 3: Cross multiply
    23,047.20x = 34,570.80 × 8,256.60
  4. Step 4: Simplify right side
    23,047.20x = 285,437,267.28
  5. Step 5: Solve for x
    x = 285,437,267.28/23,047.20
  6. Step 6: Final answer
    x = 12,384.90

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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.