Home / 30,115.25-41,557.82-16,687.07

Finding the Fourth Proportional to 30,115.25, 41,557.82 and 16,687.07

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Solution

The fourth proportional to 30,115.25, 41,557.82 and 16,687.07 is: 23,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.25 : 41,557.82 = 16,687.07 : x
  2. Step 2: Convert to fraction form
    30,115.25/41,557.82 = 16,687.07/x
  3. Step 3: Cross multiply
    30,115.25x = 41,557.82 × 16,687.07
  4. Step 4: Simplify right side
    30,115.25x = 693,477,960.16
  5. Step 5: Solve for x
    x = 693,477,960.16/30,115.25
  6. Step 6: Final answer
    x = 23,027.47

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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.