Home / 25,127.96-37,692.30-11,981.72

Finding the Fourth Proportional to 25,127.96, 37,692.30 and 11,981.72

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Solution

The fourth proportional to 25,127.96, 37,692.30 and 11,981.72 is: 17,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.96 : 37,692.30 = 11,981.72 : x
  2. Step 2: Convert to fraction form
    25,127.96/37,692.30 = 11,981.72/x
  3. Step 3: Cross multiply
    25,127.96x = 37,692.30 × 11,981.72
  4. Step 4: Simplify right side
    25,127.96x = 451,618,584.76
  5. Step 5: Solve for x
    x = 451,618,584.76/25,127.96
  6. Step 6: Final answer
    x = 17,972.75

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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.