Home / 25,155.32-37,743.75-8,517.11

Finding the Fourth Proportional to 25,155.32, 37,743.75 and 8,517.11

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Solution

The fourth proportional to 25,155.32, 37,743.75 and 8,517.11 is: 12,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.32 : 37,743.75 = 8,517.11 : x
  2. Step 2: Convert to fraction form
    25,155.32/37,743.75 = 8,517.11/x
  3. Step 3: Cross multiply
    25,155.32x = 37,743.75 × 8,517.11
  4. Step 4: Simplify right side
    25,155.32x = 321,467,481.84
  5. Step 5: Solve for x
    x = 321,467,481.84/25,155.32
  6. Step 6: Final answer
    x = 12,779.31

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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.