Home / 25,965.08-38,943.96-8,435.12

Finding the Fourth Proportional to 25,965.08, 38,943.96 and 8,435.12

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Solution

The fourth proportional to 25,965.08, 38,943.96 and 8,435.12 is: 12,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.08 : 38,943.96 = 8,435.12 : x
  2. Step 2: Convert to fraction form
    25,965.08/38,943.96 = 8,435.12/x
  3. Step 3: Cross multiply
    25,965.08x = 38,943.96 × 8,435.12
  4. Step 4: Simplify right side
    25,965.08x = 328,496,975.88
  5. Step 5: Solve for x
    x = 328,496,975.88/25,965.08
  6. Step 6: Final answer
    x = 12,651.49

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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.