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Finding the Fourth Proportional to 25,235.49, 37,859.22 and 7,704.21

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Solution

The fourth proportional to 25,235.49, 37,859.22 and 7,704.21 is: 11,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,235.49 : 37,859.22 = 7,704.21 : x
  2. Step 2: Convert to fraction form
    25,235.49/37,859.22 = 7,704.21/x
  3. Step 3: Cross multiply
    25,235.49x = 37,859.22 × 7,704.21
  4. Step 4: Simplify right side
    25,235.49x = 291,675,381.32
  5. Step 5: Solve for x
    x = 291,675,381.32/25,235.49
  6. Step 6: Final answer
    x = 11,558.14

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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.