Home / 30,427.27-41,985.47-16,996.86

Finding the Fourth Proportional to 30,427.27, 41,985.47 and 16,996.86

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Solution

The fourth proportional to 30,427.27, 41,985.47 and 16,996.86 is: 23,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,427.27 : 41,985.47 = 16,996.86 : x
  2. Step 2: Convert to fraction form
    30,427.27/41,985.47 = 16,996.86/x
  3. Step 3: Cross multiply
    30,427.27x = 41,985.47 × 16,996.86
  4. Step 4: Simplify right side
    30,427.27x = 713,621,198.12
  5. Step 5: Solve for x
    x = 713,621,198.12/30,427.27
  6. Step 6: Final answer
    x = 23,453.34

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1.5x scale

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.