Home / 28,468.92-39,288.60-15,892.92

Finding the Fourth Proportional to 28,468.92, 39,288.60 and 15,892.92

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Solution

The fourth proportional to 28,468.92, 39,288.60 and 15,892.92 is: 21,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.92 : 39,288.60 = 15,892.92 : x
  2. Step 2: Convert to fraction form
    28,468.92/39,288.60 = 15,892.92/x
  3. Step 3: Cross multiply
    28,468.92x = 39,288.60 × 15,892.92
  4. Step 4: Simplify right side
    28,468.92x = 624,410,576.71
  5. Step 5: Solve for x
    x = 624,410,576.71/28,468.92
  6. Step 6: Final answer
    x = 21,933.06

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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.