Home / 25,620.74-38,432.74-8,091.26

Finding the Fourth Proportional to 25,620.74, 38,432.74 and 8,091.26

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Solution

The fourth proportional to 25,620.74, 38,432.74 and 8,091.26 is: 12,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.74 : 38,432.74 = 8,091.26 : x
  2. Step 2: Convert to fraction form
    25,620.74/38,432.74 = 8,091.26/x
  3. Step 3: Cross multiply
    25,620.74x = 38,432.74 × 8,091.26
  4. Step 4: Simplify right side
    25,620.74x = 310,969,291.85
  5. Step 5: Solve for x
    x = 310,969,291.85/25,620.74
  6. Step 6: Final answer
    x = 12,137.40

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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.