Home / 25,919.42-38,885.30-8,389.25

Finding the Fourth Proportional to 25,919.42, 38,885.30 and 8,389.25

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Solution

The fourth proportional to 25,919.42, 38,885.30 and 8,389.25 is: 12,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.42 : 38,885.30 = 8,389.25 : x
  2. Step 2: Convert to fraction form
    25,919.42/38,885.30 = 8,389.25/x
  3. Step 3: Cross multiply
    25,919.42x = 38,885.30 × 8,389.25
  4. Step 4: Simplify right side
    25,919.42x = 326,218,503.03
  5. Step 5: Solve for x
    x = 326,218,503.03/25,919.42
  6. Step 6: Final answer
    x = 12,585.87

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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.