Home / 16,971.32-25,456.98-15,571.64

Finding the Fourth Proportional to 16,971.32, 25,456.98 and 15,571.64

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Solution

The fourth proportional to 16,971.32, 25,456.98 and 15,571.64 is: 23,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.32 : 25,456.98 = 15,571.64 : x
  2. Step 2: Convert to fraction form
    16,971.32/25,456.98 = 15,571.64/x
  3. Step 3: Cross multiply
    16,971.32x = 25,456.98 × 15,571.64
  4. Step 4: Simplify right side
    16,971.32x = 396,407,050.08
  5. Step 5: Solve for x
    x = 396,407,050.08/16,971.32
  6. Step 6: Final answer
    x = 23,357.46

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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.