Home / 20,732.73-28,610.73-12,663.62

Finding the Fourth Proportional to 20,732.73, 28,610.73 and 12,663.62

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Solution

The fourth proportional to 20,732.73, 28,610.73 and 12,663.62 is: 17,475.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.73 : 28,610.73 = 12,663.62 : x
  2. Step 2: Convert to fraction form
    20,732.73/28,610.73 = 12,663.62/x
  3. Step 3: Cross multiply
    20,732.73x = 28,610.73 × 12,663.62
  4. Step 4: Simplify right side
    20,732.73x = 362,315,269.59
  5. Step 5: Solve for x
    x = 362,315,269.59/20,732.73
  6. Step 6: Final answer
    x = 17,475.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.