Home / 25,856.28-38,791.98-8,325.72

Finding the Fourth Proportional to 25,856.28, 38,791.98 and 8,325.72

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Solution

The fourth proportional to 25,856.28, 38,791.98 and 8,325.72 is: 12,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.28 : 38,791.98 = 8,325.72 : x
  2. Step 2: Convert to fraction form
    25,856.28/38,791.98 = 8,325.72/x
  3. Step 3: Cross multiply
    25,856.28x = 38,791.98 × 8,325.72
  4. Step 4: Simplify right side
    25,856.28x = 322,971,163.73
  5. Step 5: Solve for x
    x = 322,971,163.73/25,856.28
  6. Step 6: Final answer
    x = 12,491.01

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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.