Home / 27,320.58-40,980.81-9,791.76

Finding the Fourth Proportional to 27,320.58, 40,980.81 and 9,791.76

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Solution

The fourth proportional to 27,320.58, 40,980.81 and 9,791.76 is: 14,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.58 : 40,980.81 = 9,791.76 : x
  2. Step 2: Convert to fraction form
    27,320.58/40,980.81 = 9,791.76/x
  3. Step 3: Cross multiply
    27,320.58x = 40,980.81 × 9,791.76
  4. Step 4: Simplify right side
    27,320.58x = 401,274,256.13
  5. Step 5: Solve for x
    x = 401,274,256.13/27,320.58
  6. Step 6: Final answer
    x = 14,687.62

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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.