Home / 21,950.16-30,283.56-15,234

Finding the Fourth Proportional to 21,950.16, 30,283.56 and 15,234

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Solution

The fourth proportional to 21,950.16, 30,283.56 and 15,234 is: 21,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.16 : 30,283.56 = 15,234 : x
  2. Step 2: Convert to fraction form
    21,950.16/30,283.56 = 15,234/x
  3. Step 3: Cross multiply
    21,950.16x = 30,283.56 × 15,234
  4. Step 4: Simplify right side
    21,950.16x = 461,339,753.04
  5. Step 5: Solve for x
    x = 461,339,753.04/21,950.16
  6. Step 6: Final answer
    x = 21,017.60

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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.