Home / 27,852.02-41,773.70-8,128.52

Finding the Fourth Proportional to 27,852.02, 41,773.70 and 8,128.52

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Solution

The fourth proportional to 27,852.02, 41,773.70 and 8,128.52 is: 12,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,852.02 : 41,773.70 = 8,128.52 : x
  2. Step 2: Convert to fraction form
    27,852.02/41,773.70 = 8,128.52/x
  3. Step 3: Cross multiply
    27,852.02x = 41,773.70 × 8,128.52
  4. Step 4: Simplify right side
    27,852.02x = 339,558,355.92
  5. Step 5: Solve for x
    x = 339,558,355.92/27,852.02
  6. Step 6: Final answer
    x = 12,191.52

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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.