Home / 21,952.08-30,296.40-12,522

Finding the Fourth Proportional to 21,952.08, 30,296.40 and 12,522

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Solution

The fourth proportional to 21,952.08, 30,296.40 and 12,522 is: 17,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.08 : 30,296.40 = 12,522 : x
  2. Step 2: Convert to fraction form
    21,952.08/30,296.40 = 12,522/x
  3. Step 3: Cross multiply
    21,952.08x = 30,296.40 × 12,522
  4. Step 4: Simplify right side
    21,952.08x = 379,371,520.80
  5. Step 5: Solve for x
    x = 379,371,520.80/21,952.08
  6. Step 6: Final answer
    x = 17,281.80

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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.