Home / 27,996.84-42,012.96-25,369.68

Finding the Fourth Proportional to 27,996.84, 42,012.96 and 25,369.68

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Solution

The fourth proportional to 27,996.84, 42,012.96 and 25,369.68 is: 38,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.84 : 42,012.96 = 25,369.68 : x
  2. Step 2: Convert to fraction form
    27,996.84/42,012.96 = 25,369.68/x
  3. Step 3: Cross multiply
    27,996.84x = 42,012.96 × 25,369.68
  4. Step 4: Simplify right side
    27,996.84x = 1,065,855,351.05
  5. Step 5: Solve for x
    x = 1,065,855,351.05/27,996.84
  6. Step 6: Final answer
    x = 38,070.56

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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.