Home / 16,879.34-25,319.23-15,851.90

Finding the Fourth Proportional to 16,879.34, 25,319.23 and 15,851.90

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Solution

The fourth proportional to 16,879.34, 25,319.23 and 15,851.90 is: 23,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.34 : 25,319.23 = 15,851.90 : x
  2. Step 2: Convert to fraction form
    16,879.34/25,319.23 = 15,851.90/x
  3. Step 3: Cross multiply
    16,879.34x = 25,319.23 × 15,851.90
  4. Step 4: Simplify right side
    16,879.34x = 401,358,014.87
  5. Step 5: Solve for x
    x = 401,358,014.87/16,879.34
  6. Step 6: Final answer
    x = 23,778.07

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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.