Home / 27,190.32-40,732.86-15,918.36

Finding the Fourth Proportional to 27,190.32, 40,732.86 and 15,918.36

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Solution

The fourth proportional to 27,190.32, 40,732.86 and 15,918.36 is: 23,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.32 : 40,732.86 = 15,918.36 : x
  2. Step 2: Convert to fraction form
    27,190.32/40,732.86 = 15,918.36/x
  3. Step 3: Cross multiply
    27,190.32x = 40,732.86 × 15,918.36
  4. Step 4: Simplify right side
    27,190.32x = 648,400,329.31
  5. Step 5: Solve for x
    x = 648,400,329.31/27,190.32
  6. Step 6: Final answer
    x = 23,846.73

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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.