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Finding the Fourth Proportional to 25,208.53, 37,836.11 and 12,737.32

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Solution

The fourth proportional to 25,208.53, 37,836.11 and 12,737.32 is: 19,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.53 : 37,836.11 = 12,737.32 : x
  2. Step 2: Convert to fraction form
    25,208.53/37,836.11 = 12,737.32/x
  3. Step 3: Cross multiply
    25,208.53x = 37,836.11 × 12,737.32
  4. Step 4: Simplify right side
    25,208.53x = 481,930,577.88
  5. Step 5: Solve for x
    x = 481,930,577.88/25,208.53
  6. Step 6: Final answer
    x = 19,117.76

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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.