Home / 23,999.72-36,000.30-8,421.80

Finding the Fourth Proportional to 23,999.72, 36,000.30 and 8,421.80

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Solution

The fourth proportional to 23,999.72, 36,000.30 and 8,421.80 is: 12,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.72 : 36,000.30 = 8,421.80 : x
  2. Step 2: Convert to fraction form
    23,999.72/36,000.30 = 8,421.80/x
  3. Step 3: Cross multiply
    23,999.72x = 36,000.30 × 8,421.80
  4. Step 4: Simplify right side
    23,999.72x = 303,187,326.54
  5. Step 5: Solve for x
    x = 303,187,326.54/23,999.72
  6. Step 6: Final answer
    x = 12,632.95

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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.