Home / 23,511.28-35,271.80-7,928.52

Finding the Fourth Proportional to 23,511.28, 35,271.80 and 7,928.52

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Solution

The fourth proportional to 23,511.28, 35,271.80 and 7,928.52 is: 11,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.28 : 35,271.80 = 7,928.52 : x
  2. Step 2: Convert to fraction form
    23,511.28/35,271.80 = 7,928.52/x
  3. Step 3: Cross multiply
    23,511.28x = 35,271.80 × 7,928.52
  4. Step 4: Simplify right side
    23,511.28x = 279,653,171.74
  5. Step 5: Solve for x
    x = 279,653,171.74/23,511.28
  6. Step 6: Final answer
    x = 11,894.43

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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.