Home / 25,285.97-37,935.11-8,418.94

Finding the Fourth Proportional to 25,285.97, 37,935.11 and 8,418.94

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Solution

The fourth proportional to 25,285.97, 37,935.11 and 8,418.94 is: 12,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285.97 : 37,935.11 = 8,418.94 : x
  2. Step 2: Convert to fraction form
    25,285.97/37,935.11 = 8,418.94/x
  3. Step 3: Cross multiply
    25,285.97x = 37,935.11 × 8,418.94
  4. Step 4: Simplify right side
    25,285.97x = 319,373,278.05
  5. Step 5: Solve for x
    x = 319,373,278.05/25,285.97
  6. Step 6: Final answer
    x = 12,630.45

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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.