Home / 19,017.82-28,511.28-7,932.76

Finding the Fourth Proportional to 19,017.82, 28,511.28 and 7,932.76

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Solution

The fourth proportional to 19,017.82, 28,511.28 and 7,932.76 is: 11,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.82 : 28,511.28 = 7,932.76 : x
  2. Step 2: Convert to fraction form
    19,017.82/28,511.28 = 7,932.76/x
  3. Step 3: Cross multiply
    19,017.82x = 28,511.28 × 7,932.76
  4. Step 4: Simplify right side
    19,017.82x = 226,173,141.53
  5. Step 5: Solve for x
    x = 226,173,141.53/19,017.82
  6. Step 6: Final answer
    x = 11,892.70

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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.