Home / 25,879.38-35,702.48-16,911.32

Finding the Fourth Proportional to 25,879.38, 35,702.48 and 16,911.32

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Solution

The fourth proportional to 25,879.38, 35,702.48 and 16,911.32 is: 23,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,879.38 : 35,702.48 = 16,911.32 : x
  2. Step 2: Convert to fraction form
    25,879.38/35,702.48 = 16,911.32/x
  3. Step 3: Cross multiply
    25,879.38x = 35,702.48 × 16,911.32
  4. Step 4: Simplify right side
    25,879.38x = 603,775,801.00
  5. Step 5: Solve for x
    x = 603,775,801.00/25,879.38
  6. Step 6: Final answer
    x = 23,330.38

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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.