Home / 27,107.79-40,667.39-9,340.07

Finding the Fourth Proportional to 27,107.79, 40,667.39 and 9,340.07

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Solution

The fourth proportional to 27,107.79, 40,667.39 and 9,340.07 is: 14,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.79 : 40,667.39 = 9,340.07 : x
  2. Step 2: Convert to fraction form
    27,107.79/40,667.39 = 9,340.07/x
  3. Step 3: Cross multiply
    27,107.79x = 40,667.39 × 9,340.07
  4. Step 4: Simplify right side
    27,107.79x = 379,836,019.28
  5. Step 5: Solve for x
    x = 379,836,019.28/27,107.79
  6. Step 6: Final answer
    x = 14,012.06

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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.