Home / 22,647.62-31,242.84-15,936.95

Finding the Fourth Proportional to 22,647.62, 31,242.84 and 15,936.95

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Solution

The fourth proportional to 22,647.62, 31,242.84 and 15,936.95 is: 21,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647.62 : 31,242.84 = 15,936.95 : x
  2. Step 2: Convert to fraction form
    22,647.62/31,242.84 = 15,936.95/x
  3. Step 3: Cross multiply
    22,647.62x = 31,242.84 × 15,936.95
  4. Step 4: Simplify right side
    22,647.62x = 497,915,422.72
  5. Step 5: Solve for x
    x = 497,915,422.72/22,647.62
  6. Step 6: Final answer
    x = 21,985.34

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Similar ratio
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1.5x scale

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.