Home / 25,745.04-38,617.02-8,214.57

Finding the Fourth Proportional to 25,745.04, 38,617.02 and 8,214.57

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Solution

The fourth proportional to 25,745.04, 38,617.02 and 8,214.57 is: 12,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,745.04 : 38,617.02 = 8,214.57 : x
  2. Step 2: Convert to fraction form
    25,745.04/38,617.02 = 8,214.57/x
  3. Step 3: Cross multiply
    25,745.04x = 38,617.02 × 8,214.57
  4. Step 4: Simplify right side
    25,745.04x = 317,222,213.98
  5. Step 5: Solve for x
    x = 317,222,213.98/25,745.04
  6. Step 6: Final answer
    x = 12,321.68

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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.