Home / 16,939.18-25,403.39-15,833.55

Finding the Fourth Proportional to 16,939.18, 25,403.39 and 15,833.55

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Solution

The fourth proportional to 16,939.18, 25,403.39 and 15,833.55 is: 23,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.18 : 25,403.39 = 15,833.55 : x
  2. Step 2: Convert to fraction form
    16,939.18/25,403.39 = 15,833.55/x
  3. Step 3: Cross multiply
    16,939.18x = 25,403.39 × 15,833.55
  4. Step 4: Simplify right side
    16,939.18x = 402,225,921.21
  5. Step 5: Solve for x
    x = 402,225,921.21/16,939.18
  6. Step 6: Final answer
    x = 23,745.30

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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.