Home / 27,317.34-40,980.32-9,786.78

Finding the Fourth Proportional to 27,317.34, 40,980.32 and 9,786.78

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Solution

The fourth proportional to 27,317.34, 40,980.32 and 9,786.78 is: 14,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.34 : 40,980.32 = 9,786.78 : x
  2. Step 2: Convert to fraction form
    27,317.34/40,980.32 = 9,786.78/x
  3. Step 3: Cross multiply
    27,317.34x = 40,980.32 × 9,786.78
  4. Step 4: Simplify right side
    27,317.34x = 401,065,376.17
  5. Step 5: Solve for x
    x = 401,065,376.17/27,317.34
  6. Step 6: Final answer
    x = 14,681.71

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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.