Home / 28,816.50-43,224.75-8,040

Finding the Fourth Proportional to 28,816.50, 43,224.75 and 8,040

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Solution

The fourth proportional to 28,816.50, 43,224.75 and 8,040 is: 12,060

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.50 : 43,224.75 = 8,040 : x
  2. Step 2: Convert to fraction form
    28,816.50/43,224.75 = 8,040/x
  3. Step 3: Cross multiply
    28,816.50x = 43,224.75 × 8,040
  4. Step 4: Simplify right side
    28,816.50x = 347,526,990
  5. Step 5: Solve for x
    x = 347,526,990/28,816.50
  6. Step 6: Final answer
    x = 12,060

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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.