Home / 16,775.28-25,163.78-4,295.40

Finding the Fourth Proportional to 16,775.28, 25,163.78 and 4,295.40

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Solution

The fourth proportional to 16,775.28, 25,163.78 and 4,295.40 is: 6,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.28 : 25,163.78 = 4,295.40 : x
  2. Step 2: Convert to fraction form
    16,775.28/25,163.78 = 4,295.40/x
  3. Step 3: Cross multiply
    16,775.28x = 25,163.78 × 4,295.40
  4. Step 4: Simplify right side
    16,775.28x = 108,088,500.61
  5. Step 5: Solve for x
    x = 108,088,500.61/16,775.28
  6. Step 6: Final answer
    x = 6,443.32

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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.