Home / 27,079.36-40,607.42-9,311.81

Finding the Fourth Proportional to 27,079.36, 40,607.42 and 9,311.81

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Solution

The fourth proportional to 27,079.36, 40,607.42 and 9,311.81 is: 13,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.36 : 40,607.42 = 9,311.81 : x
  2. Step 2: Convert to fraction form
    27,079.36/40,607.42 = 9,311.81/x
  3. Step 3: Cross multiply
    27,079.36x = 40,607.42 × 9,311.81
  4. Step 4: Simplify right side
    27,079.36x = 378,128,330.03
  5. Step 5: Solve for x
    x = 378,128,330.03/27,079.36
  6. Step 6: Final answer
    x = 13,963.71

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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.