Home / 54,856.88-82,284.71-17,415.95

Finding the Fourth Proportional to 54,856.88, 82,284.71 and 17,415.95

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Solution

The fourth proportional to 54,856.88, 82,284.71 and 17,415.95 is: 26,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.88 : 82,284.71 = 17,415.95 : x
  2. Step 2: Convert to fraction form
    54,856.88/82,284.71 = 17,415.95/x
  3. Step 3: Cross multiply
    54,856.88x = 82,284.71 × 17,415.95
  4. Step 4: Simplify right side
    54,856.88x = 1,433,065,983.70
  5. Step 5: Solve for x
    x = 1,433,065,983.70/54,856.88
  6. Step 6: Final answer
    x = 26,123.72

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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.