Home / 20,695.99-31,016.02-14,839.75

Finding the Fourth Proportional to 20,695.99, 31,016.02 and 14,839.75

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Solution

The fourth proportional to 20,695.99, 31,016.02 and 14,839.75 is: 22,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.99 : 31,016.02 = 14,839.75 : x
  2. Step 2: Convert to fraction form
    20,695.99/31,016.02 = 14,839.75/x
  3. Step 3: Cross multiply
    20,695.99x = 31,016.02 × 14,839.75
  4. Step 4: Simplify right side
    20,695.99x = 460,269,982.80
  5. Step 5: Solve for x
    x = 460,269,982.80/20,695.99
  6. Step 6: Final answer
    x = 22,239.57

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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.