Home / 23,141.42-31,928.13-14,185.65

Finding the Fourth Proportional to 23,141.42, 31,928.13 and 14,185.65

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Solution

The fourth proportional to 23,141.42, 31,928.13 and 14,185.65 is: 19,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.42 : 31,928.13 = 14,185.65 : x
  2. Step 2: Convert to fraction form
    23,141.42/31,928.13 = 14,185.65/x
  3. Step 3: Cross multiply
    23,141.42x = 31,928.13 × 14,185.65
  4. Step 4: Simplify right side
    23,141.42x = 452,921,277.33
  5. Step 5: Solve for x
    x = 452,921,277.33/23,141.42
  6. Step 6: Final answer
    x = 19,571.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.