Home / 16,959.20-25,439.52-5,272.64

Finding the Fourth Proportional to 16,959.20, 25,439.52 and 5,272.64

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Solution

The fourth proportional to 16,959.20, 25,439.52 and 5,272.64 is: 7,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.20 : 25,439.52 = 5,272.64 : x
  2. Step 2: Convert to fraction form
    16,959.20/25,439.52 = 5,272.64/x
  3. Step 3: Cross multiply
    16,959.20x = 25,439.52 × 5,272.64
  4. Step 4: Simplify right side
    16,959.20x = 134,133,430.73
  5. Step 5: Solve for x
    x = 134,133,430.73/16,959.20
  6. Step 6: Final answer
    x = 7,909.18

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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.