Home / 27,087.35-40,637.57-9,318.24

Finding the Fourth Proportional to 27,087.35, 40,637.57 and 9,318.24

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Solution

The fourth proportional to 27,087.35, 40,637.57 and 9,318.24 is: 13,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.35 : 40,637.57 = 9,318.24 : x
  2. Step 2: Convert to fraction form
    27,087.35/40,637.57 = 9,318.24/x
  3. Step 3: Cross multiply
    27,087.35x = 40,637.57 × 9,318.24
  4. Step 4: Simplify right side
    27,087.35x = 378,670,583.69
  5. Step 5: Solve for x
    x = 378,670,583.69/27,087.35
  6. Step 6: Final answer
    x = 13,979.61

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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.