Home / 19,418.44-28,996.04-15,424.87

Finding the Fourth Proportional to 19,418.44, 28,996.04 and 15,424.87

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Solution

The fourth proportional to 19,418.44, 28,996.04 and 15,424.87 is: 23,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.44 : 28,996.04 = 15,424.87 : x
  2. Step 2: Convert to fraction form
    19,418.44/28,996.04 = 15,424.87/x
  3. Step 3: Cross multiply
    19,418.44x = 28,996.04 × 15,424.87
  4. Step 4: Simplify right side
    19,418.44x = 447,260,147.51
  5. Step 5: Solve for x
    x = 447,260,147.51/19,418.44
  6. Step 6: Final answer
    x = 23,032.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.