Home / 25,608.18-38,412.27-8,079.78

Finding the Fourth Proportional to 25,608.18, 38,412.27 and 8,079.78

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Solution

The fourth proportional to 25,608.18, 38,412.27 and 8,079.78 is: 12,119.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.18 : 38,412.27 = 8,079.78 : x
  2. Step 2: Convert to fraction form
    25,608.18/38,412.27 = 8,079.78/x
  3. Step 3: Cross multiply
    25,608.18x = 38,412.27 × 8,079.78
  4. Step 4: Simplify right side
    25,608.18x = 310,362,690.90
  5. Step 5: Solve for x
    x = 310,362,690.90/25,608.18
  6. Step 6: Final answer
    x = 12,119.67

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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.