Home / 28,825.12-43,237.76-8,048.80

Finding the Fourth Proportional to 28,825.12, 43,237.76 and 8,048.80

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Solution

The fourth proportional to 28,825.12, 43,237.76 and 8,048.80 is: 12,073.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.12 : 43,237.76 = 8,048.80 : x
  2. Step 2: Convert to fraction form
    28,825.12/43,237.76 = 8,048.80/x
  3. Step 3: Cross multiply
    28,825.12x = 43,237.76 × 8,048.80
  4. Step 4: Simplify right side
    28,825.12x = 348,012,082.69
  5. Step 5: Solve for x
    x = 348,012,082.69/28,825.12
  6. Step 6: Final answer
    x = 12,073.22

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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.