Home / 16,910.94-25,368.70-15,978.26

Finding the Fourth Proportional to 16,910.94, 25,368.70 and 15,978.26

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Solution

The fourth proportional to 16,910.94, 25,368.70 and 15,978.26 is: 23,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.94 : 25,368.70 = 15,978.26 : x
  2. Step 2: Convert to fraction form
    16,910.94/25,368.70 = 15,978.26/x
  3. Step 3: Cross multiply
    16,910.94x = 25,368.70 × 15,978.26
  4. Step 4: Simplify right side
    16,910.94x = 405,347,684.46
  5. Step 5: Solve for x
    x = 405,347,684.46/16,910.94
  6. Step 6: Final answer
    x = 23,969.55

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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.