Home / 20,996.13-31,396.95-16,262.49

Finding the Fourth Proportional to 20,996.13, 31,396.95 and 16,262.49

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Solution

The fourth proportional to 20,996.13, 31,396.95 and 16,262.49 is: 24,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996.13 : 31,396.95 = 16,262.49 : x
  2. Step 2: Convert to fraction form
    20,996.13/31,396.95 = 16,262.49/x
  3. Step 3: Cross multiply
    20,996.13x = 31,396.95 × 16,262.49
  4. Step 4: Simplify right side
    20,996.13x = 510,592,585.41
  5. Step 5: Solve for x
    x = 510,592,585.41/20,996.13
  6. Step 6: Final answer
    x = 24,318.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.