Home / 28,760.01-43,142.99-7,983.51

Finding the Fourth Proportional to 28,760.01, 43,142.99 and 7,983.51

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Solution

The fourth proportional to 28,760.01, 43,142.99 and 7,983.51 is: 11,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.01 : 43,142.99 = 7,983.51 : x
  2. Step 2: Convert to fraction form
    28,760.01/43,142.99 = 7,983.51/x
  3. Step 3: Cross multiply
    28,760.01x = 43,142.99 × 7,983.51
  4. Step 4: Simplify right side
    28,760.01x = 344,432,452.18
  5. Step 5: Solve for x
    x = 344,432,452.18/28,760.01
  6. Step 6: Final answer
    x = 11,976.09

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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.