Home / 27,086.46-40,636.32-9,317.40

Finding the Fourth Proportional to 27,086.46, 40,636.32 and 9,317.40

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Solution

The fourth proportional to 27,086.46, 40,636.32 and 9,317.40 is: 13,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.46 : 40,636.32 = 9,317.40 : x
  2. Step 2: Convert to fraction form
    27,086.46/40,636.32 = 9,317.40/x
  3. Step 3: Cross multiply
    27,086.46x = 40,636.32 × 9,317.40
  4. Step 4: Simplify right side
    27,086.46x = 378,624,847.97
  5. Step 5: Solve for x
    x = 378,624,847.97/27,086.46
  6. Step 6: Final answer
    x = 13,978.38

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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.