Home / 28,249.90-42,388.62-11,614.93

Finding the Fourth Proportional to 28,249.90, 42,388.62 and 11,614.93

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Solution

The fourth proportional to 28,249.90, 42,388.62 and 11,614.93 is: 17,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.90 : 42,388.62 = 11,614.93 : x
  2. Step 2: Convert to fraction form
    28,249.90/42,388.62 = 11,614.93/x
  3. Step 3: Cross multiply
    28,249.90x = 42,388.62 × 11,614.93
  4. Step 4: Simplify right side
    28,249.90x = 492,340,704.57
  5. Step 5: Solve for x
    x = 492,340,704.57/28,249.90
  6. Step 6: Final answer
    x = 17,428.05

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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.