Home / 27,112.60-40,667.70-7,391.16

Finding the Fourth Proportional to 27,112.60, 40,667.70 and 7,391.16

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Solution

The fourth proportional to 27,112.60, 40,667.70 and 7,391.16 is: 11,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,112.60 : 40,667.70 = 7,391.16 : x
  2. Step 2: Convert to fraction form
    27,112.60/40,667.70 = 7,391.16/x
  3. Step 3: Cross multiply
    27,112.60x = 40,667.70 × 7,391.16
  4. Step 4: Simplify right side
    27,112.60x = 300,581,477.53
  5. Step 5: Solve for x
    x = 300,581,477.53/27,112.60
  6. Step 6: Final answer
    x = 11,086.41

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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.