Home / 25,079.42-37,620.67-8,438.06

Finding the Fourth Proportional to 25,079.42, 37,620.67 and 8,438.06

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Solution

The fourth proportional to 25,079.42, 37,620.67 and 8,438.06 is: 12,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,079.42 : 37,620.67 = 8,438.06 : x
  2. Step 2: Convert to fraction form
    25,079.42/37,620.67 = 8,438.06/x
  3. Step 3: Cross multiply
    25,079.42x = 37,620.67 × 8,438.06
  4. Step 4: Simplify right side
    25,079.42x = 317,445,524.37
  5. Step 5: Solve for x
    x = 317,445,524.37/25,079.42
  6. Step 6: Final answer
    x = 12,657.61

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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.