Home / 28,972.73-43,459.09-15,817.92

Finding the Fourth Proportional to 28,972.73, 43,459.09 and 15,817.92

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Solution

The fourth proportional to 28,972.73, 43,459.09 and 15,817.92 is: 23,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.73 : 43,459.09 = 15,817.92 : x
  2. Step 2: Convert to fraction form
    28,972.73/43,459.09 = 15,817.92/x
  3. Step 3: Cross multiply
    28,972.73x = 43,459.09 × 15,817.92
  4. Step 4: Simplify right side
    28,972.73x = 687,432,408.89
  5. Step 5: Solve for x
    x = 687,432,408.89/28,972.73
  6. Step 6: Final answer
    x = 23,726.88

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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.