Home / 31,619.26-47,437.09-16,816

Finding the Fourth Proportional to 31,619.26, 47,437.09 and 16,816

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Solution

The fourth proportional to 31,619.26, 47,437.09 and 16,816 is: 25,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.26 : 47,437.09 = 16,816 : x
  2. Step 2: Convert to fraction form
    31,619.26/47,437.09 = 16,816/x
  3. Step 3: Cross multiply
    31,619.26x = 47,437.09 × 16,816
  4. Step 4: Simplify right side
    31,619.26x = 797,702,021.36
  5. Step 5: Solve for x
    x = 797,702,021.36/31,619.26
  6. Step 6: Final answer
    x = 25,228.36

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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.