Home / 27,133.46-40,667.38-13,978.65

Finding the Fourth Proportional to 27,133.46, 40,667.38 and 13,978.65

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Solution

The fourth proportional to 27,133.46, 40,667.38 and 13,978.65 is: 20,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.46 : 40,667.38 = 13,978.65 : x
  2. Step 2: Convert to fraction form
    27,133.46/40,667.38 = 13,978.65/x
  3. Step 3: Cross multiply
    27,133.46x = 40,667.38 × 13,978.65
  4. Step 4: Simplify right side
    27,133.46x = 568,475,036.49
  5. Step 5: Solve for x
    x = 568,475,036.49/27,133.46
  6. Step 6: Final answer
    x = 20,951.07

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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.