Home / 23,171.40-34,751.76-13,814.05

Finding the Fourth Proportional to 23,171.40, 34,751.76 and 13,814.05

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Solution

The fourth proportional to 23,171.40, 34,751.76 and 13,814.05 is: 20,717.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.40 : 34,751.76 = 13,814.05 : x
  2. Step 2: Convert to fraction form
    23,171.40/34,751.76 = 13,814.05/x
  3. Step 3: Cross multiply
    23,171.40x = 34,751.76 × 13,814.05
  4. Step 4: Simplify right side
    23,171.40x = 480,062,550.23
  5. Step 5: Solve for x
    x = 480,062,550.23/23,171.40
  6. Step 6: Final answer
    x = 20,717.89

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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.