Home / 22,828.88-31,500.96-13,394

Finding the Fourth Proportional to 22,828.88, 31,500.96 and 13,394

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Solution

The fourth proportional to 22,828.88, 31,500.96 and 13,394 is: 18,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,828.88 : 31,500.96 = 13,394 : x
  2. Step 2: Convert to fraction form
    22,828.88/31,500.96 = 13,394/x
  3. Step 3: Cross multiply
    22,828.88x = 31,500.96 × 13,394
  4. Step 4: Simplify right side
    22,828.88x = 421,923,858.24
  5. Step 5: Solve for x
    x = 421,923,858.24/22,828.88
  6. Step 6: Final answer
    x = 18,482.02

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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.