Home / 34,248.88-47,265.25-20,817.95

Finding the Fourth Proportional to 34,248.88, 47,265.25 and 20,817.95

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Solution

The fourth proportional to 34,248.88, 47,265.25 and 20,817.95 is: 28,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,248.88 : 47,265.25 = 20,817.95 : x
  2. Step 2: Convert to fraction form
    34,248.88/47,265.25 = 20,817.95/x
  3. Step 3: Cross multiply
    34,248.88x = 47,265.25 × 20,817.95
  4. Step 4: Simplify right side
    34,248.88x = 983,965,611.24
  5. Step 5: Solve for x
    x = 983,965,611.24/34,248.88
  6. Step 6: Final answer
    x = 28,729.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.